📢 Official Introduction: The Face of the Mostro Lounge!
Hello, esteemed patrons!
For the longest time, I have been running this blog under the title of "Manager," but I realized I have never properly introduced the actual character running the show behind the scenes. So, today is the day! I am officially introducing the Mostro Lounge Menu Account mascot and my main OC, Akuseru!
I would absolutely love to provide you all with a gorgeous, fully rendered character reference sheet right now... but unfortunately, I cannot draw to save my life. My artistic capabilities peak at drawing slightly uneven stick figures. So, until a miracle occurs, we are going to have to rely on the power of imagination and this detailed masterpost!
Without further ado, meet the Manager.
Basic Details
Name: Akuseru ???
Nicknames: Manager Seru (Professional title), Seru (Personal), Angler Fish (From Floyd Leech), Monsieur Sirène (From Rook Hunt)
Age: 17-18 (Depends on month)
Birthday: December 26th (Capricorn)
Gender: Male (Presents with an elegant, highly polished, and slightly androgynous aesthetic)
Pronouns: He/They
Sexuality: Bisexual
Species: Siren Merfolk (From the Coral Sea)
Height: 5 feet 10 inches (178 cm)
Dominant Hand: Ambidextrous (Intentionally trained for maximum efficiency)
Grade & Class: Second Year, Class C
Club: Board Game Club (Climate-controlled, requires absolutely no physical exertion, and allows him to keep a close eye on Azul)
Favorite Subject: Alchemy (It is precise, relies on strict formulas, and allows him to wear his customized lab coat)
Least Favorite Subject: Flight Class (Despises the sun exposure and the ungraceful physical exertion)
Hobbies: Curating high-end tea blends and secretly reading cheap, highly predictable romance novels
Dislikes: Dry heat, chaotic environments, unpredictable magic, and uncompensated labor
Favorite Food: High-end chilled seafood and iced mint tea
Least Favorite Food: Dry crackers and overly spicy curries (Anything that risks irritating his highly sensitive vocal cords)
Talent: Soundless movement and emotional de-escalation
Favorite Color: Sea glass green
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Appearance & Presentation
Akuseru possesses sharp, mesmerizing "siren eyes" in a translucent sea glass green. His pupils are highly reactive, narrowing into thin, predatory slits when he is hyper-focused or irritated. He has a mouthful of razor-sharp, needle-like teeth that he intentionally hides behind closed-mouth, extremely polite smiles. His skin is incredibly fair, lacking melanin due to his deep-sea origins, and possesses a faint, pearlescent shimmer under dim lighting.
His hair is an abyssal black with striking silver highlights, kept in a soft, flowy, and ethereal style. He has a slender, dancer-like build. However, do not let the delicate frame fool you—while he lacks bulky muscle mass, his merfolk biology grants him incredible, dense physical strength, fully capable of lifting heavy inventory crates or physically throwing out unruly patrons.
Akuseru treats fashion as a suit of armor. His clothing is impeccably tailored, heavily favoring the sharp Octavinelle aesthetic of crisp button-downs, dark slacks, and vests. He exclusively wears high collars and sleek silver chokers to draw attention away from a faint childhood scar on his collarbone and to protect his highly vulnerable throat. He frequently accents his outfits with high-end, ocean-themed accessories like seashell tie clips and silver pocket watches.
Despite his absolute demand for high-class aesthetic perfection, he constantly wears a slightly worn, rugged leather-and-metal earring gifted to him by his boyfriend, Ruggie Bucchi.
He sunburns terribly and despises dry climates. When forced outdoors or into gym class, he is always seen wearing UV-blocking layers and wide-brimmed hats.
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Personality & Psychology
Akuseru is an absolute master of the polite, condescending facade. He moves through the Mostro Lounge with calculated grace, utilizing a sickly-sweet tone to expertly de-escalate fights and seamlessly swindle wealthy students out of their madol. He demands order, cleanliness, and perfect efficiency at all times.
His deepest flaw is his profound paranoia regarding affection. He fundamentally struggles to believe that kindness is ever free. He categorizes every single interaction as a transaction, believing he must "buy" or "earn" loyalty through acts of service, expensive gifts, or strict utility. He overthinks every compliment, constantly searching for the hidden angle.
Because he intensely fears his own Unique Magic and his past, he requires absolute control over his environment to feel safe. When things spiral into chaos, his elegant facade shatters, and he can become incredibly verbally vicious, knowing exactly where to strike at someone's deepest insecurities.
Beneath the arrogant, polished manager persona is an exhausted, deeply paranoid teenager who just wants to feel safe. Once someone manages to break through his transactional mindset and proves they are staying unconditionally, he becomes fiercely devoted, violently protective, and intensely generous.
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Unique Magic: Undertow's Lullaby
The Chant: "The current is far too strong to fight. Close your eyes, drift away, and follow my lead. Undertow's Lullaby."
The Effect: By speaking in a specific, magically infused tone, Akuseru casts an auditory mind-control spell. Anyone who hears his command completely loses their free will and is forced to obey him with blank, absolute devotion.
The Drawback: The magic exacts a brutal physical toll on his body. Using it actively burns his vocal cords, leaving him with a painful, scratchy throat and a raspy voice that can take hours or even days to heal. Because of this, he treats his throat with extreme care, constantly drinking hydrating herbal teas and avoiding vocal strain.
The Psychological Toll: He absolutely hates his Unique Magic. It causes him immense paranoia, leading him to constantly monitor his own vocal tone in daily life out of fear that he will accidentally manipulate the people he actually cares about.
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Backstory: The Coral Sea
Akuseru was born into a wealthy, fiercely status-obsessed family in the Coral Sea. From a young age, he was treated less like a person and more like a beautiful object—a prized songbird paraded around upper-crust society. He was valued entirely for his siren beauty and his voice, teaching him early on that his sharp mind and actual personality did not matter to the people around him.
During his early teens, his Unique Magic manifested during a highly emotional argument with a friend. He yelled a command in anger, and watched in absolute horror as his friend dropped all emotion and obeyed him like a blank, lifeless puppet. Realizing his voice was a highly dangerous weapon, he stopped singing entirely and developed severe trust issues.
Desperate to escape, he fled to Night Raven College and eventually found a home in Octavinelle. Azul Ashengrotto recognized his ruthless competence, sharp intellect, and organizational skills, handing him the title of Co-Manager. The Mostro Lounge became his sanctuary because it was the very first place he earned his authority and respect through hard work and intelligence, rather than his cursed voice.
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Relationships & Dynamics
Ruggie Bucchi (Boyfriend): The absolute core of his emotional grounding. They are a study in intense contrasts—the pristine, high-class siren and the scrappy, survivalist beastman. Ruggie commutes to the damp, dark VIP section of Octavinelle simply because Akuseru cannot physically handle the dry heat of Savanaclaw. Ruggie's blunt honesty completely short-circuits Akuseru's transactional paranoia. Ruggie steals his expensive clothes, leaves dusty yellow hoodies on his immaculate furniture, and is strictly the big spoon when they sleep. In return, Akuseru secretly packs him high-end bento boxes, slips extra madol into his paychecks, and drops his entire manager facade around him.
Azul Ashengrotto (Alliance): His favorite of the Octavinelle trio. They speak the exact same language of profit, efficiency, and aesthetics. It is a highly professional, mutually respectful alliance where Azul handles the administrative scheming and Akuseru handles the physical operations.
Floyd Leech (Enemies): His absolute worst nightmare. Floyd's unpredictable mood swings, chaotic work ethic, and tendency to ruin the Lounge's meticulously crafted atmosphere constantly push Akuseru to his breaking point. Floyd actively antagonizes him by calling him "Angler Fish," mocking his predatory teeth and high-strung nature.
Jamil Viper (Unspoken Understanding): They share a silent, mutual respect. Both are deeply exhausted second-years dealing with chaotic dorm members, and both possess terrifying mind-control Unique Magics. When paired up, they work together with hyper-competent, terrifying efficiency.
Vil Schoenheit (The Cold War): A constant, ongoing battle of aesthetics and passive-aggressive politeness. Vil judges the Lounge's presentation, and Akuseru fires back with sickeningly sweet insults masked perfectly as high-class customer service.
Kalim Al-Asim (Paranoia Trigger): Kalim's boundless, unconditional generosity completely breaks Akuseru's brain. Akuseru constantly assumes Kalim is a manipulative genius playing a massive long game, simply because Akuseru cannot comprehend someone giving away money and kindness without an ulterior motive.
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🎵 The Playlist & Q&A
Because I love creating atmospheres, I also have a dedicated Spotify Playlist for him! If you have any song suggestions that scream "exhausted, morally gray siren manager with a beastman boyfriend," my ask box is wide open!
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Thank you all for taking the time to read through his lore! If you have any questions about Akuseru, his dynamics with the other NRC boys, or just want to send in some headcanons, please feel free to drop them in the asks. I would love to talk more about him!
— Seru 💙