#. THE KISS OF THE SIREN
featuring 𝘂𝗺𝗲𝗺𝗶𝘆𝗮 𝗵𝗮𝗷𝗶𝗺𝗲 𝘅 𝗳𝗲𝗺!𝗿𝗲𝗮𝗱𝗲𝗿
romance + angst. the captain of the seven seas, always wanted to see a siren, but never expected to fall in love with one.
wc :: 11,2k. thank you my lovely @kiurona for the amazing art of pirate ume! this is our mini collab, so go support her amazing art right now ♡
at such a young age, pirate captain!umemiya hajime became a threat to all on the seven seas, be it to other pirate crews, sea monsters or creatures, name it he fought it, causing fear and terror only by the mention of his name. he had faced countless dangers, still there was one mystery that had always kept him with so many questions in his mind—the legendary sirens.
legends spoke of their voices luring sailors to their doom, of the riches that could be gained from a single siren scale, and even of wishes being granted to those who managed to capture one. yet, despite all the tales, he had never once seen a siren himself. this kept him on his toes over the years, a curiosity that grew stronger with each passing sail with the ship.
the older pirates would laugh, with the memory of their own youthful days. "they’re everywhere, son," they would say, "but you’ll find them mostly where the sea is the most dangerous. deep waters, where the rocks cut through ships and the storms never seem to end. that’s where they make their homes, creating oases in the middle of nowhere, drawing in sailors with their voices." they spoke of siren scales as treasures more valuable than gold, rumored to grant wishes. but pirate captain!umemiya hajime didn’t care about wishes. all he wanted was to see one of these creatures with his own eyes since no one had seen one, and even if they did — they never came back.
the captain set sail towards the treacherous waters the old sailors had described. his crew watched as their captain steered them into the heart of danger. as the days passed, they began to grow tired and restless. one by one, they succumbed to deep slumber until only umemiya remained awake.
he heard it—a voice unlike any he’d ever known. gentle, melodic, and so enchanting. the sound stirred him from his half-slumber, pulling him from his quarters up to the deck. he stumbled, still caught between the real and dream world, searching for the source of the song.
and then he saw her beneath the moonlight, perched on a rock just beyond the reach of his ship, was the most beautiful creature he had ever laid eyes on. her skin shimmered like pearls, her e/c eyes reflected the night sky, and her voice—oh, her voice was the sweetest sound he’d ever heard. she opened her arms, beckoning him to join her in the water below, her song filling his head with thoughts of peace, of numerous illusions about him being the pirate king, the strongest and richest of them all.
he felt himself stepping closer, the rail of the ship pressing against his waist as he prepared to leap overboard. but something snapped him back to reality. he realized he was on the brink of being pulled under, of losing himself to the siren’s call. as he tore his gaze away and stumbled back, breathing heavily as he watched her continue to sing, he had never seen such beauty, it was dangerous, so unreal and magical and then she dived gracefully back into the ocean, disappearing, leaving him alone with the memory of her haunting melody.
the next day, the bofurin crew reached a port town, the older pirates immediately asked about his quest, and they were surprised to see him alive. "so captain, did you see one of them?" but they decided to be kind to him and to get him a drink. "i did, sir." the young man answered putting his hat down as he received his drink, "she was only one, but her voice was so powerful that it enchanted everyone on board, i almost died too." pirate captain!umemiya hajime recounted the encounter, leaving out no detail until the moment he stopped himself from jumping. the old man nodded, some laughing softly, others looking at him with respect. “you’ve seen one and lived to tell the tale. that’s more than most can say,” they remarked, patting him on the back.
but the memory of that song, that face, wouldn’t leave him. days passed, and though the crew indulged in the town’s distractions, pirate captain!umemiya hajime found himself wandering, with no direction in mind during one of these aimless strolls, in the bustling heart of the town, when he heard it—the same melody carried on the wind like a whisper from the sea.
he froze, his heart pounding as he followed the sound through the crowd. there, in the center of the square, surrounded by laughing children and townsfolk, was the girl from the ocean. no, not a girl—a siren, as beautiful and mesmerizing as the night he first saw her, but now she had legs and her skin wasn't as silver as the moon, she was like a human now, but her eyes and hair color were still the same.
"big sister y/n is so pretty! she is like a princess!" the little kids watched her in awe as they danced around her. she sang with the same divine voice, but this time there was no danger in her song, only joy and light. as she finished, she turned and locked eyes with him. recognition flashed across her face, and without hesitation, she bolted, leaving the crowd bewildered.
pirate captain!umemiya hajime didn’t think; he just ran, chasing her through winding alleys and down narrow streets, his heart racing faster than his legs could carry him. the town blurred around him as he pursued the fleeting figure of the siren. "y/n..." he memorized her name as she was always just out of reach, her laughter—soft and melodic—taunting him as she led him deeper into the outskirts.
finally, umemiya found himself at an old, abandoned dock, the wood creaking beneath his boots. it was foggy, the air was still, the silence oppressive as he looked around, panting, searching for any sign of her. but she was gone, vanished as suddenly as she’d appeared.
then he noticed something—caught on a jagged piece of wood at the dock’s edge was a hanging piece of fabric, torn, and his mind raced as everything clicked into place—the voice, the sudden disappearance, the water below. he walked to the edge of the dock, staring into the dark waters, knowing she was down there, watching him as he had watched her.
he crouched down reaching for the water, it was cold his fingers were starting to freeze slightly until he felt something else touch him, something scaly and with all its strength it pulled him up and he fell into the water. the young sailor was used to diving into the sea, but now he was fighting for his life when he opened his eyes—it was the siren, leading him deeper and he tried to pull himself up until she stopped and turned to face him.
pirate captain!umemiya hajime was no longer drowning in the water, but in the depth of her gaze. she reached out, her fingers brushing his face with a gentle touch that caught him off guard. he was about to lose consciousness when she pulled him closer, her lips pressing against his in a soft, unexpected kiss. but then something even more unexpected happened—he could breathe. it wasn’t just that he could breathe; it was like he’d been given a part of her world, the water no longer felt cold or suffocating; it was like air, filling his lungs. but even more, mesmerizing was the way her lips felt against his—soft, warm, and lingering.
when he finally surfaced, he lay there on the cool sand, chest heaving as he looked up at the sky. it wasn’t fully dark yet, but the sun was setting, the golden hue showing across the horizon, trying to make sense of what had just happened, he heard a soft, splashing sound.
pirate captain!umemiya hajime's instincts kicked in, and he turned his head towards the water. there, emerging from the ocean, was the siren. first, he saw her upper body—her wet hair clinging to her face, her eyes locked onto him, making his heart skip a beat. then, as she pulled herself further onto the shore, he saw her tail, shimmering in the fading light, its scales reflecting the colors of the setting sun. the sight of her struggling to move onto the sand, he pushed himself up from the ground, intending to help her. it wasn’t just a reflex—he felt and wanted to be near her, to protect her from whatever might come. but as he approached, she reacted suddenly, hissing at him with a sharp and defensive sound.
he knew that apart from looking somehow human, she was still a child of the ocean, a monster of the deep. instead, he crouched next to her while she looked the other way so she wouldn't see his face. "so you are ... y/n right?" he asked, tucking a lock of wet hair behind her ear, his hands were so gentle, and unlike other pirates or men, he wasn't looking down at her nakedness but straight into her eyes. "you are so beautiful..." it felt strange. everything was a bit weird right now. it didn’t make sense for a creature like her to suddenly drown him in water, kiss him, and let him live.
pirate captain!umemiya hajime didn’t know you had to do this, to kiss him, so he can have your scent because the captain of the seven seas was in great danger with sirens targeting him and your kiss, can protect him, for now, but not forever.
a siren's main drive is their need to be loved, and will seek it in any way; be it sexual, platonic, or familial, but now she did it because she had fallen in love with the sailor, and she would not let others have him or kill him. "don't think anything else, that night i showed up to save you... and now," her voice still so melodious, even if she wasn't singing he was still mesmerized. "when a siren kisses someone, they can breathe underwater right?" he asked his hand still on her face, caressing her cheek, "apparently those old bastards have told you a lot, it's not like they're looking for us and want to have our scales for selfish reasons." the siren raised her tail and she splashed the water, her hands in the sand until she decided to look at him, "why are you looking at me like that? i saved you but i can still kill you." he just smiled as he removed his hand and stood up, squeezing the water out of his clothes looking at the horizon "i've always dreamed of seeing a siren, with the endless legends about you i couldn't just sit still, and when you appeared."
he was telling the truth, and she knew it. no song of hers could deceive him, for she could not deceive herself anymore. she fell in love with a sailor, not to kill him, but to love him, and if any of her sisters found out about it, she and he would both be victims. "a captain of the seven seas has seen everything but sirens and mermaids, has he?" the devilish energy returned to her as she lay on her stomach and tossed her tail in the air, small waves crashing through her body "and your name is so famous both on water and land, isn't it captain umemiya?" the way she said his name, the very tone gentle yet playful, made him want to drown. what had she done to him? enchanted him for sure, but he didn't need magic to know that his heart beats faster than the waves when there's a storm. he looked down at her, the sun's rays coloring the grays and pearls of her skin, smirking "ah, you're very famous on land too, aren't you y/n?" he shrugged, his white shirt slightly unbuttoned clinging to his toned muscles. “this is the second time i've seen you, but it's like i’ve known you all my life, isn't it strange?”
she played with her hair, twirled a lock on her finger and giggled "if i'm so famous why haven't i seen you in the audience when i sing? the children will be very happy, don't you think, to see their hero who can tell them so many stories.”
pirate captain!umemiya hajime really wondered why he had never attended such entertainment in the center of the town, perhaps because he was constantly sitting in the pub and gaining experience and knowledge from the old pirates, but even if he had the time, he filled it with buying food and weapons for the next voyage. “i'll come next time, i promise you that. i have heard your song before, and can't wait to hear it again until you make me fall entirely for you.” she didn't expect this, he was serious and it showed, she knew he was true to his word as her gray face began to acquire a slight red tint, but that didn't stop her from answering. “then i will wait for you tomorrow at the same time, alright captain? make sure to show and give me flowers, make me feel like a normal human.” and with that she slowly went into the water as she dipped, making herself disappear.
his eyes widened as he walked towards the water, up to his knees when she reappeared his hat and jacket in her hands. “we don't want you to lose anything valuable do we? so you're welcome, captain.” good thing the water was up to his knees, or he didn't know if he would have been alive by her honeyed voice. he took the clothes and put them on himself and she just smiled at him and would dive in again, until he stopped her, “wait…come closer.” she looked at him, confused but came closer to him and he crouched down again looking at her so lovingly and then kissed her gently on the lips. “i promise you everything, my little seashell.” she was left without words, without a voice, and without further ado she swam to the depths, leaving him alone in the salty water, “i will wait for you.”
pirate captain!umemiya hajime was still looking in that direction she swam away with a gentle smile on his face until someone called out “umemiya, you idiot! what are you doing in the water all soaked?” it was the quartermaster, hiragi toma as he stood at the wooden deck just a little higher from the sand on the shore. “get up at once and change your clothes, the captain must not get sick.” but the captain didn't look at his first mate but smiled at the setting sun, wondering if you liked lily and beach roses. just how and why he fell for a siren? he doesn't know, but he knew he loved you.
the next day pirate captain!umemiya hajime was making his way to the center with a bouquet of flowers and a warm smile on his face, his step more hurried than usual, because he couldn't wait to see her, to hear her. and he finally noticed the siren in her human form, eyes were closed and her voice was so pleasant, but what impressed him was the red cloth that was tied around her waist … it was his. wait a minute, when did she manage to get it? well, it didn't matter, she looked good with something that was his. the thunderous applause woke him from his trance and she bowed to the audience, as he approached her, she wanted him to appear with a bouquet, and here he was keeping his promise. “captain, you showed up, huh?” she jumped off the small stage, face to face with the whitehead as he handed her the flowers, “i will always keep my promise”. she took the bouquet and smelled it. so beautiful with so many colorful petals, she didn't expect that he would do something like that, especially with everyone's eyes on them.
“big sister y/n and captain umemiya, are you two together?” the little kids surrounded them and giggled looking at them with curious eyes, and an idea came to pirate captain!umemiya hajime. he wrapped his arms around her waist, pulling her closer to his body and her eyes widened and she blushed. “y/n and hajime, sitting in a tree, k-i-s-s-i-n-g!” she looked at him slightly shocked at what the kids were saying but he was smiling even more at them "it's not what it see–”
“first comes love, then comes marriage, then comes a baby, in a baby carriage!” here she already turned red from the crabs and lobsters in the sea. she didn't know where and how to hide and just put her head on his chest raising the bouquet to cover her face completely. “all right kiddos, leave big sister y/n to rest, hmm? next time i stop by, i will tell you stories about the giant kraken i fought with hiragi!”
“really, captain? will it be possible to tell us when you went to the secret city of gold?” with his free hand he ruffled the boy's hair laughing "of course! i'll even show you the golden sword i found.” with that the kids were happy and left you alone with him looking at her still hiding. “y/n, they are gone now.” he was still hugging her and she lifted her head and exhaled and looked around, "thank you, captain! you really can be counted on from this to the rest of the six seas.” and then she looked into his blue eyes, they were as beautiful as the sea, calm but full of secrets and she could feel her face coming closer to his, their lips inches away until she stopped and removed herself from his grip. “eh, you didn't have a problem kissing me yesterday?” he asked, slightly mocking but not malicious, as they still maintained eye contact. "it's okay, my precious pearl."
pirate captain!umemiya hajime who was watching her and trying to read her body language, she looked slightly worried but relaxed at the same time. was the idea of her being with him embarrassing her? but that wasn't going to stop him from showing his love, no matter what. he cleared his throat, putting one hand behind his back and holding out the other to her "my lady, would you like to go out with me tonight?" she hesitated, but she had nothing to lose, it wasn't every day she was around people as a human, and she had more to learn to be more like one. the siren took his hand and he kissed her knuckles "then it is settled." they let go of their hands and he put his hat on her head, the feather still sticking out, but it looked so good on her. "but i have no other clothes than these." he simply smiled at her so sweetly that the salt on her body could turn to sugar "don't worry about that, everyone likes you already." yes, everyone likes her because she is human. if they find out it's a siren from the sea, they'll probably kill her and put the head on the market too, use the magic of the scales and... she’ll just become their next prize. "i'll trust you for what you say now." it was slightly threatening, this statement of hers, but the captain smiled widely that his tea teeth were visible. "take it easy, stay with me until it's time for dinner."
and so he took her around the city, she saw streets and shops she had never seen before. the citizens smiled, rejoiced in her presence, or rather rejoiced in the captain who walked behind her as she ran and shop-windowed. until she stopped in front of one and he became curious as to what she was staring at that caused her eyes to sparkle. there was a long white dress displayed, the color of the sea foam. "do you want it?"
pirate captain!umemiya hajime was so kind and generous as he walked into the store without thinking about the price "wait, no… i was just looking." she lowered her head, but that didn't stop him from entering the shop and she quickly followed him. "captain, long time no see? how is it, have you finally found a bride?" he chuckled slightly at the nice old lady "not yet but i'm working on it." he looked around the shop where there were so many dresses but really the one in the window was the most beautiful. "how much will this dr–?" before he could finish the door bell rang and she walked into the boutique "hajime, i told you i don't want you…" the voice trailed off as she looked at the old woman "...to buy me anything." it only took one look at the woman to know who she was and what her relationship was with the young sailor. "how can you lie to old people? you've found the perfect bride!” she immediately came to the young girl and began to measure her. then he took her cheeks with both hands and looked at her "beautiful eyes, never seen such a color. and that lovely face!" she immediately went to the window and removed the dress from the mannequin "i give it to you for free, young lady, or should I say mrs. umemiya~” they both blushed at her comment as the young miss played with her hair and the captain placed a hand behind his neck. "thank you very much!" he said as he took the bag of the dress and she didn't even try it on but the old lady had been in the business enough years to know what would look good on who.
he took her hand and as they hurried out of the store they went into some building, it was a large one and she had heard that these were hotels where people slept for one or more nights. "will we...sleep together?" she asked hurriedly, she had never been so close to a pirate before, "only if you want. i'm bringing you here so you can change in peace, there will be a lot more people on the ship." a ship was equal to being in the water, which meant that the moment her skin touched the water, she would turn into a siren. she knew that he either knew too or was just looking out for her. without realizing it they were already outside the room, and he unlocked it. it was nothing much to him, just a place where he could sleep, but to her, it was something completely new, she knew about how humans lived but she had never been taken to such a place, especially with a man, a man who loved her. “i won't look so please change!” he turned his back on her, as she took the dress from the bag with her. it was really a very nice model and she put it on right away, his hat still on top of her head. did it fit her well, she asked herself. on land, she always wore the same clothes without thinking about it much. “how do i look?”
pirate captain!umemiya hajime swears he has never seen anything more graceful and elegant. he was just looking at her so lovingly, so tenderly, and smiling, she really looked like a bride. and if he could he would have married her on the spot. "beautiful as the day i saw you.” he approached her and took both of her hands, caressing them with his thumb "i don't even need to think, it's a fact. you are the most beautiful on this land, and on this sea.” she blushed terribly, even more than before but quickly masked it with confidence, "you look good too, captain.”
without even saying a word, they were already leaving the room and were the center of attention. everyone looked at them, both young and old, and everyone was happy as they kept hearing 'for the newlyweds!' whatever that was supposed to mean, she didn't know but she didn't care, not when his hand was in hers and she could feel the warmth. ”are you nervous, princess?” it was new, too new. a princess, huh? her heart began to beat faster and she didn't know if she had cast a spell on him or herself. but she just smiled no matter what others were saying. "i'm not. thanks for looking after me.” he squeezed her hand tighter and they were already in front of the restaurant, not long before they were ordering food. this time the captain decided not only to spoil himself, but also her.
“so what will the lovebirds want to eat? may i offer you some of our new fresh fish dishes?” the waitress was so kind and his eyes lit up when he heard the word fish, “i will have your two best main fish dishes!” and then he looked over at her and she was literally discriminating against his food choices right in front of her. “oh! never mind that, give me your best pork dish, as for the lady–”
she quickly cut him off, "salad, please.” she wasn't used to human food yet, but the salads were enough to fill her up. smiling at him and the waitress, and she took the menus out. “coming right away!” and she left you alone and you quickly crossed your arms "did you seriously want to eat fish in front of such?”
as they waited for their meal, he couldn’t help but laugh at his order. "i didn’t think that through, did i?” she shook her head, a smile tugging at her lips. "no, you didn’t." he reached across the table, taking her hand in his. "i’ll get it right next time, i promise."
after their dinner, the night air greeted them outside once more. they strolled down quiet streets, it was during this walk that pirate captain!umemiya hajime finally mustered the courage to ask her, "will you go back to the sea tonight? or would you stay... with me?"
her heart raced at the question. the dress felt too precious to cast aside just yet. "just for tonight," she whispered, wanting to say more but she couldn't do that yet. and so, they returned to his room, where the space now felt too little and suffocating.
it was quiet, the world outside forgotten as they lay side by side on the bed. they had only reunited the day before, yet the bond between them felt like they knew each other forever. he couldn't sleep; neither could she.
"can i kiss you?" he asked, his voice tentative, as he recalled how she had avoided his kiss earlier. the siren responded only with a soft hum, a sound so delicate it was almost lost in the stillness. he turned to face her, his heart pounding as he leaned closer, his breath mingling with hers before he finally pressed his lips to hers.
the kiss seemed to hold those unspoken thoughts and feelings, a tender love. he pulled back, his breath ragged as he whispered, "please, be mine from now on. i swear to protect you, i vow to love you until my last breath."
her chest tightened at his words. how could this human make her—a creature born of the sea—feel so fragile, so exposed? but she didn't care. “the night is still young, my beautiful siren. let me hear your song once more.” at that moment, she yearned to be human, to experience the love he offered. and so, she let herself be vulnerable, let him show her how humans express their love, their devotion.
hours passed, though neither noticed the time. they were lost in each other, learning and experiencing newfound heights of affection. the man who had never loved someone so much, and the siren who cried at the fact that she felt like a human, and completely forgot that she was a creature with a tail and magic. when the sun began to paint the sky in soft hues of pink and gold, they were still wrapped in each other's arms, unwilling to let go of the night they had shared. because that night was like a honeymoon, so sweet and full of passion.
pirate captain!umemiya hajime woke up slowly opening his eyes expecting to see her sleeping body next to him but there was no sign of her. he immediately got up and moaned slightly from the stinging feeling on his neck. he walked over to the mirror and saw red-purple teeth marks, apparently he wasn't the only one marking. he looked again at the bed and saw something shiny, it was as small as a coin, he came closer and ... it was a scale. “eh, so that's why my little pearl left?” but his eyes were fixated on the chair, her dress was hanging there, and his shirt was gone, but his jacket and hat were there. he looked at it some more before getting dressed and putting it in his pants pocket. who knew, he might need to wish for something someday.
almost the whole day passed and she was still gone. there was no one to sing on stage, no one to entertain the children, no one to warm his hand. it was sad honestly, he felt somehow empty, but the young adventurer won't let anyone see this side of him. leaned against some wall, tossing a coin, heads that he would see her again and tails if he didn't. “captain idiot, where were you the whole night? were you with that girl that the whole town talks about?” it was hiragi toma again, the coin landed in the crease between his palm and index finger but he looked away to see his best friend "hiragi! is everything okay with the others? sakura didn't throw up did he?" he rubbed his temple, irritated by the crew captain's behavior and disappearance. although they had stopped here for a little rest, it was not a break from the duties of the ship. "umemiya, i know you're young, we all are. but you have to understand that you shouldn't disappear like this for some girl from the city."
umemiya’s blue eyes narrowed at hiragi's words. the usual cheerful and carefree attitude that marked his demeanor was absent, replaced by a sharp glare that made the other man take a step back. “don’t tell me what to do, hiragi,” the captain said, his voice low and steely. he wasn’t joking, wasn’t teasing. there was no trace of the charming captain who could usually talk his way out of anything. instead, he was all business, his tone leaving no room for argument.
hiragi's brow furrowed in concern, but he didn't back down. “i’m just looking out for you. for all of us. we can’t afford to have you distracted—” the whitehead cut him off, his tone growing colder. “i can perfectly balance the crew and her,” he said, his gaze locking onto his with a seriousness that made his first mate flinch. he tossed the coin into the air again, catching it without looking. hiragi had never seen his captain like this, and for the first time, he wasn’t sure if he could read umemiya at all. it was like looking at a stranger.
as he finally glanced down at the coin in his palm, hiragi noticed something—something that made his blood run cold. there, around umemiya’s neck, were red marks, deep and fresh, as if someone—or something—had claimed him. hiragi’s eyes widened in shock. “did you—?” the captain’s expression didn’t change. if anything, it hardened. he slipped the coin into his pocket and turned his back on him as if dismissing the question entirely. “i told you, i can handle it,” he said, the tone he spoke in making it clear the discussion was over.
but the first mate wasn’t convinced. the red marks and the captain's uncharacteristic mood—they all pointed to something far beyond the usual meet-and-greets with monsters. “this isn’t like you,” hiragi said softly, hoping to reach the friend buried under the captain's mask. “i don’t know what happened last night, but it’s messing with your head.”
he froze at those words, his shoulders stiffening. but then he straightened, with an unbelievable amount of pride, “she’s none of your concern, neither am i. focus on the crew. that’s an order.” hiragi was worried as this was more than just a fling, more than just another adventure. whatever had happened between him and that girl had changed him, and not for the better.
as the captain walked away, hiragi could only watch, his mind racing. he had a sinking feeling that whatever this was, it was far from over—and it was only a matter of time before it would come back to haunt them all.
it had been several days since pirate captain!umemiya hajime had last seen her, and now he hanging around on the deck, leaning against the bars and looking up at the night sky reflected in the sea. it was nice to feel the gentle breeze of the wind and the sound of the waves, but it would be even more peaceful if she was here with him. he was humming something to himself, almost singing “y/n and hajime, sitting in a tree k-i-s-s-i-n-g…” he sighed looking up at the moon which was the same color as her skin color. when would he see her again? last week's coin showed heads, and a pirate's coin never lies. then he remembered that he had her scale, and the white dress sitting in his cabin. for some strange reason, it was shining very brightly, more than the full moon in the sky and then he saw the same light in the water, it was moving fast and the scale seemed to react by getting brighter and brighter. and then something appeared a head, he narrowed his eyes and couldn't believe it, it was her. she showed herself more, the light reflecting off her face made his heart skip a beat. it was as if the moon itself had descended from the sky and taken on the form of the woman he loved.
“you—” she just swam away to the direction he knew all to well. the old docks. without a second thought, he ran as fast as he could. as he neared their secret place he could see her more clearly. she was already there, waiting for him, her tails splashing playfully in the water as she stared up at the moon. but as he drew closer, she was crying. her tears sparkled like diamonds, falling silently into the sea as she wept. umemiya’s heart twisted in his chest, and he scrambled onto the dock, not caring that he was soaked to the bone.
“y/n!” he called out, his voice filled with worry. he reached out to her, his hand trembling as it hovered just above her shoulder. “what’s wrong, my pearl? why are you crying?” she didn’t turn to face him, but he could see the pain in her expression as she continued to gaze up at the moon. “i made a mistake, hajime,” she whispered, her voice quieter over the gentle waves. “the biggest mistake of my life…” his heart pounded in his chest. “what are you talking about? what mistake?” she closed her eyes, another tear slipping down her cheek. “i let a human mark me as his. i let you mark me as yours. i let myself fall in love.”
he felt his breath catch in his throat. “but…isn’t that what we wanted? to be together, for you to feel like a human?”
“yes,” she said, her voice breaking. “but i didn’t realize what it would mean. i ran away from my sisters, and swam so far just to find you first. now you’re in even greater danger because of me.” the siren finally turned to look at him, her eyes filled with fear and regret. “you’re still under the magic of my song, hajime. i don’t know how much of your feelings are real, and how much is just…an enchantment. if my sisters find out…i don’t know what they’ll do to you.” he shook his head, stepping closer until he was right in front of her, their faces inches apart. “y/n, listen to me. i don’t care about any of that. i don’t care if it’s magic or fate or whatever it is. all i know is that i love you. i love you more than anything in this world, and nothing is going to keep us apart.”
her lower lip trembled as she looked up at him, searching his eyes for any hint of doubt, of lies. but all she saw was the honesty that had drawn her to him in the first place. “i swore to protect you,” pulling her into his arms, holding her close as the moon watched over them, the waves lapping gently against the old dock. the night was quiet, save for the sound of their breathing and the distant call of the ocean. they were the ones who could love each other until it hurt and even if they were in danger, dead or alive they would be together.
several months have passed since then, and the siren was inseparable from the pirate. they were together, they were a couple hiding their secrets, during the day they were both human and at night she turned back into the tailed creature. pirate captain!umemiya hajime has been so doting and loving, his cheerful self was back and never leaving, unless he had to travel, but he knew that he would come back right into her arms. "my love, i'm back!” he didn't even wait for them to release the ladder for everyone to go down but jumped to the ground next to her, and she laughed "i bring you so many gifts, almost spent all the money on you." she hugged him and he put his jacket on her shoulders. "welcome home, hajime!”
they stood like that for a while until voices began to be heard behind them. "lady y/n always waits for our captain, isn't that cute sakura?" that's what suo hayato said, the eye-patched boy who didn't want to say why he was wearing it, but everyone has their secrets anyway, "i think sakura is just sick again." akihiko nirei said the small blonde boy as they looked at sakura haruka who was all red, umemiya had mentioned to her that he blushes easily when someone shows affection in front of him. nevertheless, all of his crew liked her, and were glad that their captain was so happy and full of energy...except for one person, and that was hiragi toma. he knew there was more to her than she let on, something more behind that smile and he would do his best to find out who she really was, and why she made his best friend fall madly in love with her. and she behaved nicely with everyone, she behaved like a human being. she sensed that he didn't like her for some reason, and desperately hoped he didn't know she wasn't human. but apparently, people are like that, there are types like umemiya, and hiragi. but she didn't blame him, maybe if she had been born with limbs and lungs she would have reacted the same way and hated sirens. humans too must understand that every living organism survives differently, because they may have done a lot for the world, but the world will do nothing for them, not when monsters from the deep are hot on their heels. "my pearl, are you hungry?"
she broke eye contact with hiragi when her lover asked her the question, and she snuggled into him even more, feeling the warmth his jacket gave off, but also his strong shoulders covered in scars...scars and wounds. "umemiya hajime why didn't you tell me first that you have wounds?" there was no time for food, not when he was so badly wounded, and she was always worried when he sailed away, the question was not whether he would bring her gifts, but whether he would make it home alive. they quickly settled into the little house he bought, not just for her but for him as well. this was their place, and it was close to the bay in case the magic that kept her human wore off. it was all taken care of, but now she was thinking about how to take care of him. "couldn't you be more careful? what if it was the sirens, there's no getting away from them." he sat at the end of the bed and she between his legs applying bandages and plasters. and again that gentle smile appeared, though his hair was down and slightly obscured his eyes, he could see it perfectly "only your song can enchant me, darling." how he could say such things when he wanted to, she didn't know, but she liked it. "i'm glad to know that, but please take care. you're my one and only love."
pirate captain!umemiya hajime watched as she carefully treated his wounds, her fingers trembling slightly when he suddenly hugged her waist, pulling her closer until she lost her balance and fell on top of him on the bed. his strong arms wrapped around her as he began to plant kisses all over her face "my pretty girl, i have missed you so much," he murmured between kisses, his lips finding hers once, twice, and then again as if he couldn’t get enough. she smiled into the kiss, feeling the depth of his love. "i missed you too," she whispered back, her heart beating fast.
but their tender moment was interrupted by a knock on the door. she sighed and gently pushed herself up. "rest for now, i’ll go see who it is," she said softly, brushing a stray lock of hair from his forehead before slipping out of the bed.
when she opened the door, she was greeted by hiragi toma and kaji ren. hiragi’s expression changed the moment he saw her, his smile fading into a frown. "tell umemiya dinner is in two hours," he muttered, his tone distant and cold. he didn’t wait for a response before turning on his heel and walking away, leaving kaji to give her a small nod while nibbling on a sweet treat. she closed the door slowly, the hurt evident in her eyes.
as she turned, umemiya was already behind her, wrapping his arms around her waist and pulling her close. "mmm, we have two hours," he whispered, his voice teasing as he nuzzled her neck. "sounds nice, yeah?" but she wasn’t in the mood, the sting of hiragi’s behavior still fresh, "why doesn’t your first mate like me? does he kno—" her voice faltered as her lover gently turned her around to face him.
"no one knows besides me, and no one will know, okay? I will keep you safe," he assured her as she exhaled heavily. "i just want to be held forever in your arms, hajime. i don't want to lose you.” she hugged him and wouldn't let him go, and he stroked her hair gently, reassuring her that he would never let anything separate them. “it's okay, cry it out. i’m here.” it was also hard sometimes, seeing someone dislike her or the way they treated her. hiragi toma clearly showed this when the captain was not around them. she calmed down, no more tears, and looked up at umemiya, her beaming smile once again making its way onto her pretty face. and to him, it didn't matter if she was a siren or a human — her heart was the same in both forms.
“there, love. you are more beautiful with a smile on.” he wiped away her tears with his thumbs, kissing her forehead "and now we have two hours, let's rest.”
pirate captain!umemiya hajime felt her move and got out of bed, apparently two hours had passed and it was time for dinner. he put his hand over his eyes and rubbed them before opening them to see her in the same white dress. no matter how many clothes he had bought for her, it was obvious that this one was her favorite, and just for that, there was a little gift for her, something that would go together perfectly. he also got up and started rummaging through his luggage until he found a small box, he wished there was an engagement ring inside but for now, the pearl necklace would do.
she was looking at herself in the mirror fixing her hair and he was behind her with his hands behind his back hiding the little red box. they made eye contact through their reflections in the glass and she put down the brush and turned around. “do you want me to comb your hair too?” he didn't say anything at all, he just put his hands out from behind and she saw the box. "what is this?”
“it's for you, one of the few things you deserve." and she was worth more than anything, and one day, perhaps very soon, he would truly make her his bride. she was a little confused. still, she took the box and opened it, and in it was a necklace with sparkling white pearls, her eyes just widened, and then she looked at her lover. he noticed her pupils dilating. “hajime, you shouldn't have, i don't know what to say,” the pearls were in her hands. she was touching them and looking at them, they were real and she knew it must have cost him a lot, for such quality. "my little pearl, you don't have to say anything, just let me love you.” he picked up a necklace and motioned with his eyes for her to turn her back on him again, taking her hair so he could put the necklace on. she heard the sound of the clasp. she let go of her hair, and his hands squeezed her waist.
“it matches your dress and i’m sure it will match your tail too!” he put his head on top of hers but as much as he wanted to stay here with her, he had to eat or he would pass out "now let's go eat, i'm starving.” leaving the house hand in hand, they went to join the others.
the restaurant was full but that didn't stop the pirates from getting special service, after all, they were the heroes of the town and probably many others. pirate captain!umemiya hajime had put one arm around her, and her head was resting on his shoulder, and with his other hand, he held a glass of liquor. how can you not love to eat in such fine company? they were all talking and laughing among themselves, but one man was not amused at all, his gaze fixed on her. it was strange to him how she didn't eat at all, and if she did it would be very little. she did not touch meat, especially fish. he remembered when umemiya said she just didn't like eating in front of people. another time is when everyone was in the water but her. the captain said that she was scared and had a phobia. it all sounded ridiculous to hiragi. just what and who is she? he swirled his glass, the ice melting rapidly into the yellow-brown drink. ice. dissolving in water. he stopped his hand and the ice melted completely as he looked at her. so that was her secret, huh? it all made sense now, the dots were connecting — she was a mermaid, or a siren. and there was one way for him to find that out.
but he would not act at once, he would wait a little longer, and watch some more. "sir, are you okay?" kaji asked sitting next to him and the older one quickly shifted his gaze to the boy. "don't worry, everything is under control." two, three, maybe more hours passed and nothing interesting happened. she never left umemiya's side, nor did she get up from her seat. and just because of that, hiragi will make her stand. everything was planned to perfection. one of the good parts of being a pirate, or a sailor in general. they act the second there is a threat.
and then the chance came, almost too easily. she shifted in her seat, a movement that drew his attention. hiragi rose from his chair, he moved until he was just next to her. the glass of water in his hand felt cool, its contents sloshing as he pretended to stumble, ‘accidentally’ spilling the liquid, splashing across her clothes and skin. the shock of it caused her to gasp, her body jerking upright. she looked up at him, her eyes wide with surprise, and then over at umemiya, whose expression had shifted from having fun to being in panic.
"y/n?" her lover asked, his voice laced with worry, but she didn’t answer. she was already standing, her breath coming in shallow, panicked gasps. hiragi watched her closely, smirking, his heart pounding in his chest, as she began to tremble. this was it. the moment of truth. without a word, she turned and bolted from the table, her feet carrying her out of the restaurant and toward the docks, as she must have run faster than she swam. the others exchanged glances, unsure of what had just happened, but the captain knew, and so did his first mate now. umemiya followed her, his eyes narrowing as he noticed the faint shimmer of something on her skin—scales. the transformation was beginning.
as she reached the docks, her breath came in like whimpers and panting, her ears sharpening to point a set of fins on each side, and those shimmering scales began to spread across her body. panic surged through her as she realized what was happening. her lungs tightened, her chest heaving as if the very air around her was turning toxic. there was only one escape, one place where she could breathe—beneath the waves.
throwing herself into the water, as she tore the dress away, the cool embrace of the ocean swallowing her whole. for a moment, there was only silence, the ripples on the surface of the water the only evidence of her presence. but then she heard it—the voices of those she loved, calling out to her, urging her to come back. and then, cutting through the others, hiragi's voice.
"why are you all confused?" he said, his tone sharp, carrying across the water. "don’t you know by now? she is a monster." umemiya’s reaction was horrifying, his fear and worry turned to anger as he stepped forward, glaring at him. "hiragi, you don't know what you're talking about!"
the younger pirates, suo, sakura, akihiko, and kaji, watched the two men in silence, their eyes darting between their captain and quartermaster.
"she put a spell on you, umemiya," hiragi continued, his voice growing more insistent. "that's why your behavior is different. she’s been controlling you, manipulating you."
“enough!” umemiya's voice was a low growl, but there was venom in his words. turning toward the water, he called out, "you don't know anything about her, she has done absolutely nothing to me. i am the one who fell in love with her." for a moment there was nothing. but then, slowly, she emerged from the water, her head breaking the surface. her eyes were wide with fear as she looked at the dock, now crowded with both the pirates and townsfolk who had been drawn by the commotion.
“lady y/n is—” suo started to say, but the first mate cut him off, “a siren.” his voice was cold and sure.
everyone was shocked except umemiya and hiragi. the citizens were disgusted by the girl whose voice they found to be art, something perfectly exquisite like herself, and she had lied to them all along. was this what they deserved after all they had given her? the old sailors and men stood behind the women and children until a small girl went to see what was going on in the water "big sister y/n is a princess! i knew she had magic-" but her mother quickly pulled her by the arm "she's no princess! don't you dare look at her, cover your ears right away!” the siren's heart was breaking as she watched the humans turn hostile towards her, and she looked at the captain. "hajime, please i-" if her heart was broken, she didn't want to know what was this doing to him. the secret they so closely guarded was revealed, and if she could drown herself, she would. "are you blind? crazy? how can you let yourself be with such a thing?” a liar, monster, freak — a killer. that was her for hiragi, that was her for everyone now. and the captain whom they all admired fell in their sight. but they preferred to have mercy on him, because he was the bewitched.
pirate captain!umemiya hajime looked at her, and she saw the emotions in his eyes. he was not enchanted by her song, maybe in small percentages, but he really loved her. but they did not know this. they didn't know the way she loved him, she treated him, and she cared. she felt like a human. alas, they didn't know that she meant them no harm. the moon was full again, and her tail began to glow, as did the scale he kept, now tucked in the inside pocket of his jacket. "swim," he turned and called to her "swim away, from this sea to the last, where only i can find you." she didn't have a minute to waste, she'd rather be killed by her sisters or some other monster than by a human. "you look like you're out of your mind, captain," shouted the men's voices "do you want to kill us too?" to some extent he wanted to because they were threatening someone precious to him, more precious than himself.
hiragi raised his hand to signal, and before the siren could get far a fishing net caught her and she became entangled in it. umemiya's anger could only grow, he was furious, but he held back as much as possible. "let her go, now." his gaze was fierce now, his blue eyes deeper than the depths of the ocean, his teeth were grinding, his heart was beating too fast, but before he could attack the hiragi, two muscular men stopped him. "will you let a murderer like her go free? her race has killed many of us and you ... want a life with her?" two pumped-up guys couldn't stop him umemiya hajime he's not the legend of the seven seas for nothing. with all his might he pushed them away and went to hiragi and grabbed him by the collar "just one hair, one scale has fallen from her. i will kill you." hiragi couldn't believe what he was saying, such a sensible and wise captain, turned into a little selfish boy. "and killing me won't change reality. pull yourself together." then he hit the captain, very hard on the cheek, knocking the pirate captain off balance.
the blow sent umemiya stumbling, but his rage only grew. he straightened himself, wiping the blood from his mouth, his eyes burning. "you don’t understand anything. she’s not what you think."
"she’s a killer!" hiragi roared back, pushing himself to his feet and charging at umemiya. the two men collided again, their bodies crashing together as the captain’s gists flew, each strike to protect her. but the first mate wasn’t the one to also back down, landing blows of his own, and soon both men were covered in blood—umemiya’s, hiragi’s, and some that wasn’t even theirs. as the fight raged on, his mind flashed back to her—her smile, the way she looked at him, the tenderness in her touch. she wasn’t like the stories. she was more human than anyone he had ever met.
the sound of her scream pierced through the air, and his body went rigid as the sound echoed in his ears. it was a scream of agony, of unbearable pain. his eyes snapped to the water, where she was still tangled in the net, but now something far worse was happening.
hiragi’s men had her pinned, and they were ripping her scales from her body. her shimmering, glowing scales, the reason for her power, were being torn away, piece by piece. each one that was removed sent a fresh wave of blood into the water, staining it a deep red. her cries grew more desperate, more heart-wrenching with every passing second. umemiya's breath caught in his throat. "no…" he couldn’t bear it. he couldn’t watch as they tortured her, as they stripped her of her very life force.
"stop it!" he shouted, his voice cracking as he shoved hiragi away. the men around him were no match for his fury, as he rushed toward the dock where she was held, his heart racing, every instinct in him screaming to get to her. but hiragi wasn’t done. he grabbed umemiya by the collar, dragging him back. "you’re a fool!" he bellowed. "she’s a siren! they’ve killed us, killed your family…and you—"
umemiya spun, his fist connecting with the other pirate’s jaw. "you are the monster, all of you are!" he roared, "she’s not what you think. she cares about me, about all of us! you don’t see her for who she really is." but hiragi wasn’t finished. "you’ll regret this, umemiya," he hissed, wiping the blood from his split lip. "you’re throwing your life away for a monster."
"one more scale," pirate captain!umemiya hajime growled, grabbing hiragi again, and pulling him close, he didn't care that a whole decade ago the boat that his parents got on crashed in the siren's territory ."one more drop of her blood falls, it's over for you."
and hiragi stared at him, stunned. this wasn’t the rational, level-headed captain he had known. this was someone driven by insanity. but before either of them could act further, another scream tore through the night, and this time it was louder. it was her voice, filled with unbearable pain. umemiya’s heart shattered at the sound, and without another word, he released hiragi, letting him collapse to the ground.
he turned and ran to the dock, his bloodied hands trembling as he reached the edge where she was held. the moonlight illuminated the water, and there she was—her glowing scales now dim, her body trembling as the men ripped more from her. blood seeped from the wounds, her tears mixing with the saltwater as she cried out. the siren wanted to sing, but a cloth was placed over her mouth to silence her.
“y/n…no.” in his most powerful rage he knocked out the pirates who caused it. she was shaking all over, physically and mentally injured, and he sat down next to her and removed the towel and she could breathe again, somewhat. he hugged her and didn't care that his white clothes were turning scarlet. "my love, i'm here… it's me." she had no voice, lost it, and everything about her was torn out. it was crueler than her drowning a sailor, mankind was crueler than any sea creature. but only one person showed her what it was like to be one. “ha-” in her attempts to speak, blood came out of her mouth and he put his hand over to wipe it. "my lovely siren. don't speak, don't sing, i’ve heard enough.” the beauty she possessed until a little while ago was gone. it neither sparkled nor glowed, the life in her dying out, but not before she heard footsteps and voices, and she and the captain turned away. it was hiragi and the young sailors, "sir, this is too-"
"don't interfere." hiragi spoke but umemiya didn't want to see him, he didn't want to beat his fellow brother, and he did the best he could — to jump into danger. he got up and quickly grabbed her carrying her like a real bride and jumped into the water which shocked everyone again. there was only one place he could go while swimming underwater with her, luckily the water breathing effect was still working but he could feel its weakening. she was growing weak. a little more, a little more and they are there. she had to hold on a little longer. they floated to the surface, and he swam to the sand. where he saw her for the second time, where he fell in love. he let her body lie, he couldn't look at her like that, but she was still his siren. and she was looking at the night sky with tears in her eyes, stretching her hands to it. the moon, that beautiful moon that was supposed to keep their secret, revealed them to everyone. "the sky is…" the voice still had that honeyed ring to it, but she forced herself to speak "it's beautiful, isn't it hajime?" he took her hand and but she still did not look at him.
"please y/n…stay with me. please i can't lose you i don't want to." he was crying too, tears mixing with his blood, he tasted the iron but he didn't care. gripping her hand, feeling how the strength was leaving her. "no, no, my love. i'm here please don't…" then something lit up hellishly on his chest, so bright and alive. he realized ... the scale, the last shining scale.
and she looked up at him, smiling through the pain, clutching his hand with her last strength. "make a wish and i will grant it." it was too quiet what she said but as much as she could "come on, captain. don't keep a lady waiting." that made him smile, and he was still holding her hand. "i'll never keep you waiting. i promised you I'd keep you safe, i failed. i promised you i'd love you, i always will." she closed her eyes, and the scale in his hand glowed brighter. she was currently pouring all of her remaining energy, life, and magic into fulfilling his wish. but what was he to wish for? a happy life with her, for him to give a part of his life to her, to become a male mermaid, to make her forever...human. yes, that's exactly what it was. human, she would become human and nothing more would happen. they will run away, and live happily ever after, maybe with two children? it depends on her. and he will cook delicious feasts for her, without fish meat of course, but when she is human will she still mind that? he would think about that another time. he looked at the scale, then at her, and without hesitation, said his wish.
“make her a human for the rest of her life, make everyone forget about her siren life until they die.”
pirate captain!umemiya hajime said these words, but nothing happened. maybe the wish couldn't come true because she didn't have as much strength as before. but then the magic happened, the sea was pulling her in and he didn't want to let go of her hand, but the waves were stronger, even in the shallows. her body was starting to glow from deep within, and he just watched. he was scared, he didn't know exactly what such a wish could do. the water was rough, just like the two of them and their feelings, their lives. he got up from the sand and ran into the brightness, and then she, his beautiful siren, had not a scar, not a drop of blood, no tail and scales, and the gills had disappeared. instead, she had legs, most likely normal human organs as well. she was finally a real human. she looked around, clenching and unclenching her fists, splashing the water with her feet, breathing with her lungs. she finally saw with human eyes, the man who made her change, the man she owed and gave her life, only for him to give her a new one.
she ran to him in all her naked beauty and jumped in his arms. "hajime!" she was crying with joy, she couldn't believe what was happening. she looked into his eyes before kissing him. their lips met softly, her tears mingling with the kiss, a silent promise for keeping this love forever. he hugged her so tightly, he responded so lovingly, and it was as if time stopped. it did stop, she couldn't feel the warmth of his lips nor his strong grip. the world became black and white, the movement of the water, the rays of the moonlight stopped. "what-" she was very confused and worried "what's going on? hajime, love, can you hear me?" but he couldn't hear her, he was frozen in time, in that frame. was this what the wish was capable of? she didn't know, it was the first time she was doing something like this. and then everything sped up, and she hugged him again, and the world took on color again. "it doesn't matter as long as you're with me."
"excuse me, young lady...but who are you?" her heart stopped. why is he asking such a ridiculous question after all this. "stop joking, hajime." he tilted his head looking at her curiously "i'm flattered you know my name." his hands still held her, firmly but not so affectionately. "but that doesn't explain why a beauty like you is naked in my arms?" she laughed, giggled, missing him joking too, "hajime, you're not funny at all, stop it!" but he didn't answer, just kept looking at her and smiled slightly. he did not know how or why she was in the water, and why she was completely naked and embracing him. but somehow it felt familiar yet so far away. he looked at her some more, she had beautiful eyes, nice and distinctive features, soft hair, but her smile quickly turned down. "have we met before?"
pirate captain!umemiya hajime was now feeling dizzy as if something very important had been taken away from him. what he was doing in the water, and why was some unknown girl crying in his arms. "miss?" this made her cry even more, hugging him tighter. as she felt the pearl necklace slip from her neck, one by one the white gems began to fall from the string. he promised to love her forever, but not when her true self disappeared and would never come back. the siren he fell in love with would never come back. his memories will forever be lost in time because that was the price of being kissed by a siren, such were the consequences of using one's scale.
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