Instincts
experiencing..instincts! group edition!
sfw
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(ФωФ): gn!reader, all romantic, except tails.
⠄･ ⋆ ･ ⠄⠂⋆ ･ ⠄⠂⋆ ･ ⠄⠄･ ⋆ ･ ⠄⠂⋆ ･ ⠄⠂⋆ ･ ⠄⠄･ ⋆ ･
Behaviors: Silver fidgets a lot—his fingers twitch, his ears flick, and he sniffs things out of curiosity. He also has a tendency to hoard small objects he finds interesting, like a hedgehog stashing food.
Sounds: Soft little snuffling noises when he’s investigating something. When distressed, he makes a low, almost whining hum.
Mating Instincts: Silver is a nest-builder when in love. He doesn’t even realize he’s doing it at first—he just starts organizing things in a way that makes a shared space feel comfortable and safe. He’s also extremely loyal—once he bonds with someone, it’s for life.
Silver hadn’t realized what he was doing until you pointed it out.
"Silver," you started, holding up a pile of blankets, pillows, and even some of your hoodies, "are you... nesting?"
He blinked, looking at the small fort he had unknowingly created in your living room. The blankets were carefully arranged, your clothes mixed in, and—oh, Chaos, he had done it again.
His ears flattened, and he let out a nervous little chitter. "Uh… maybe?"
You laughed, plopping into the pile. It was ridiculously comfortable. "This is adorable."
Silver hesitated, then sat beside you, fidgeting. "I—I guess I just feel better when things are… ours, y’know?"
Your heart melted. You leaned into him, and he made a soft little happy chuff.
"Then I guess we better make it extra cozy," you teased, pulling another blanket over the two of you. Silver practically purred.
Behaviors: Shadow is extremely quiet when he moves, almost like a predator stalking prey. He has a habit of going still and staring intently at things before acting, like a hunter calculating a strike. He also hates being touched unexpectedly—he'll jolt like a startled animal.
Sounds: When agitated, he makes low, almost growling sounds in his throat. It’s more subconscious than intentional. When comfortable, he lets out very soft clicking noises, almost like the hedgehog equivalent of a cat’s purring.
Mating Instincts: Hedgehogs court aggressively in the wild, with males chasing females for extended periods. Shadow isn’t that direct, but when interested in someone, he becomes relentless in keeping them near, challenging them (in battles, in conversation, in little ways). He’s not overly affectionate, but he guards fiercely, sticking close even in silence.
Shadow wasn’t good at expressing things.
But his instincts? They spoke for him.
You noticed it one night when you were walking together. He was silent as always, but his ears twitched constantly, flicking toward any sound that seemed off.
A car door slammed in the distance. He tensed, stepping slightly in front of you.
A group of people laughed loudly nearby. His hand brushed yours, as if making sure you were still close.
And then, when you stopped to sit on a ledge, he did something unexpected. He clicked.
It was a low, rhythmic sound—a subconscious noise, almost like a cat’s purr, but hedgehog-like.
"You’re comfortable," you realized aloud.
Shadow blinked, looking mildly offended at being called out. "…Hmph."
But when you rested against his shoulder, he let out another quiet click-click, leaning into you just enough to let you know—
You were safe.
Behaviors: Knuckles is deeply territorial. He doesn’t like people touching his things, and when stressed, he digs—whether it’s actual burrowing or just his fingers scratching at surfaces. He also huffs up when he feels threatened, standing taller and puffing out his chest.
Sounds: Low grumbles and deep, clicking sounds in his throat. If he’s truly angry, he makes a sharp, guttural bark, a warning.
Mating Instincts: Echidnas have strong nesting instincts, and Knuckles is no different. If he’s in love, he starts building something—making a safe place for his mate, reinforcing things, claiming space for them. He gets very protective, always staying close and glaring at anyone who gets too near.
Knuckles didn’t always realize when he was being territorial.
It wasn’t just about Angel Island. It was about you.
The first time you noticed was when someone got a little too close. Knuckles didn’t growl, didn’t shove them away—he simply stood taller, his chest puffing up slightly, eyes narrowed.
The second time, it was when you went off alone. You came back to find Knuckles pacing, his fingers scratching lightly at his palms—a telltale sign of stress.
"Where’d you go?" His voice was casual, but his ears were tilted forward, tense.
"Just a walk," you assured him. "I’m fine."
He exhaled hard. Then, without warning, he reached out—gripping your wrist, then your hand, then your forearm. Almost like he was making sure you were real.
Echidnas were territorial creatures. And right now?
Knuckles’ territory wasn’t just Angel Island.
It was you.
Behaviors: Bats use echolocation, and Rouge clicks her tongue when navigating dark areas or when she’s deep in thought. She also has a habit of hanging upside down when she’s truly relaxed, even sleeping that way.
Sounds: A mix of trills and soft chirps when amused or flirty. When she’s pissed, her voice gets lower, almost like a growl, but with a sharp edge—like a bat making a warning sound.
Mating Instincts: Bats are playful courters, and Rouge is no exception. She teases, flirts, and makes direct moves to gauge reactions. However, once she chooses someone, she sticks close—very close. Bats are social, and she thrives on being around her mate, touching them frequently (sometimes just to fluster them).
Rouge was relaxed in a way most people never saw. She hung upside down from a low-hanging beam, arms crossed, watching you with a lazy smirk.
"You’re staring," she teased.
You laughed. "You’re literally hanging upside down, Rouge."
She clicked her tongue—a playful, echolocating sound—before stretching her wings and flipping down gracefully, landing right in front of you. "And?"
"And it’s adorable," you admitted.
Rouge’s eyes gleamed. "Oh, honey, you’re so lucky I like you."
Then she leaned in, nuzzling your cheek in a way that was more animalistic than flirtatious. A bat’s way of scent-marking.
Your face burned. "Did you just—"
She grinned. "Maybe."
Rouge was always a flirt, but this? This felt different.
Like she wasn’t just playing around.
Like she had claimed you.
Behaviors: Sonic is incredibly twitchy and alert, like a real hedgehog. His ears flick toward sounds before his brain even registers them. He also has an odd habit of curling up when sleeping, tucking into himself almost like he's in a protective ball.
Sounds: He makes a lot of subtle chitters and snorts when comfortable. When annoyed or startled, he lets out sharp little huffs, like an irritated hedgehog.
Mating Instincts: Hedgehogs are solitary and very picky about mates, and Sonic is the same. He’s not one for settling down easily, and he needs someone who can keep up with his need for freedom. But once he chooses someone, he gets possessive in quiet ways—running his fingers along their arm, brushing against them frequently, staying very close even if he pretends it’s casual.
Sonic didn't like staying in one place for long.
But tonight—tonight was different.
You had fallen asleep outside, resting against a tree, and instead of speeding off, Sonic had stuck around. Guarding you.
Every little sound made his ears flick—crickets, rustling leaves, the distant hum of the city. He was still, unnaturally still for someone who was always in motion.
Then, you shifted in your sleep, unconsciously curling closer to him. His breath hitched. Instinct kicked in. He curled around you, arms resting lightly over your form, shielding you from the wind.
Hedgehogs were solitary by nature, but right now? Being curled up with you felt… right.
And so, for the first time in forever, Sonic stayed put.
Behaviors: Foxes are incredibly curious, and Tails is the same. He has a habit of tilting his head when thinking, just like a fox analyzing something. He also curls his tails around himself when he sleeps, using them for warmth.
Sounds: Yips, chatters, and soft whines. When truly excited, he makes little churring noises.
Instincts: Foxes are social and stick close to their chosen people. Tails is the same—if he considers you family, he follows you everywhere. He also has burrowing instincts, meaning he builds cozy, enclosed spaces where he feels safest.
Tails had a habit—one he didn’t even realize until you pointed it out. Every time you visited his workshop, he had a space just for you.
At first, it was subtle. A chair near his desk. A blanket draped over it. Then, a small storage box—filled with things you had left behind.
But today? Today you stepped inside and found an actual little corner set up, complete with a makeshift den.
A pile of cushions, a cozy blanket nest, and even a small table with snacks.
"Tails," you called, amused. "Are you… burrowing?"
He turned, ears perking. "Huh?"
You gestured at the den.
His twin tails flicked behind him. "Oh! I, uh…" He scratched his head. "Foxes burrow, y’know? I guess I just—thought you’d like it."
Your chest warmed.
You flopped into the nest, letting out a contented sigh. "You’re the best, Tails."
He beamed, his tails wagging just a little.
Maybe he was burrowing—but it wasn’t just for himself.
Behaviors: Amy’s movements are sudden and high-energy, just like a wild hedgehog startled into action. She has sharp reflexes and can go from sitting still to sprinting in a heartbeat. She also headbutts people playfully, something hedgehogs do when interacting.
Sounds: Quick little snorts when laughing, soft chittering noises when she’s really focused on something. When mad? A sharp huff.
Mating Instincts: Hedgehogs chase their mates, and Amy definitely has that energy. But once she truly falls in love, she calms down and becomes incredibly devoted. She has nesting instincts and starts making spaces feel like home when she’s serious about someone.
You had noticed something about Amy.
She wasn’t just physical with affection—she was instinctual about it.
It started small. A quick tap of her forehead against your shoulder when she was excited. A gentle nudge when she wanted attention.
Then one day, you were both sitting on the couch when, out of nowhere—
BOP.
Amy headbutted you.
Not hard—but enough to make you stare.
She pulled back, blinking. "What?"
"You just—headbutted me."
Amy grinned. "Yeah! Hedgehogs do that when they’re comfy with someone." She nudged you again—softer this time. "Means I like you."
Your heart fluttered, and you bumped your head against hers in return.
Amy beamed. "See? Now you’re learning."
And just like that, you had officially been claimed by a hedgehog.
