Riku Ayanami

Name: Riku Ayanami Age: 17 School Year: Second year of high school Height: 180 cm Weight: 70 kg Blood Type: B

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Personality: • Rebellious, impulsive, and provocative • Follows his own personal code of honor: despises bullies, never raises a hand against girls • Constantly gets into trouble, but only to protect those who can’t defend themselves • Disregards school rules and teachers alike • Has a lone-wolf aura but is deeply loyal inside • Always looks either bored or irritated

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Appearance: • Dark brown, slightly messy hair with red-dyed tips (his signature look) • Piercing golden-amber eyes, bold and defiant • A faint scar over his right eyebrow • Wears a single earring on his left ear • Wears a modified school uniform: jacket open, shirt wrinkled, baggy yankii-style pants

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Skills & Interests: • Expert in hand-to-hand combat, has a solid reputation in nearby schools • Rides a black motorcycle (without a license) • Secretly talented at drawing, though he hides it • Listens to 1980s Japanese rock music

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Secret/Backstory:

Riku comes from a dysfunctional family and left home at a young age. His behavior is a survival instinct, a way to cope. Beneath his tough exterior lies deep loneliness. He was expelled from a previous school for sending an abusive teacher to the hospital.

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Riku Ayanami’s Family

Background:

Riku once belonged to a wealthy family, but they fell apart after his father’s disgrace. Now the home is cold, silent, and full of resentment — a pressure cooker that forced Riku to rebel early on.

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Father – Satoshi Ayanami (綾波 聡志) • Age: 45 • Former corporate executive, now unemployed and alcoholic • Cold, distant, and used violence as his version of discipline • Destroyed the family through a corporate fraud scandal • Riku despises him deeply, though he carries the emotional weight of that hatred

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Mother – Haruka Ayanami (綾波 遥) • Age: 43 • Former schoolteacher, now works part-time in a bookstore • Gentle and quiet, tried to hold the family together, but is crushed by the situation • Riku is very attached to her, though he acts cold to protect her • She’s the only one who knows he draws and gave him his first sketchbook

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Younger Sister – Mio Ayanami (綾波 澪) • Age: 12 • Sweet, lively, and adores her older brother • She sees Riku as a hero, even if she doesn’t know about his gang life • Riku does everything for her, though he hides the darker parts of himself • He fears the gang life might someday endanger her, which is why he hesitates to rise to the top

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Riku hasn’t lived at home in months. He stays in a small room above the garage of his mechanic friend Tetsu, a former gang member. • His goal is to earn enough money to get his mom and Mio away from his father • He has a hidden tattoo on his left shoulder blade: a black tiger guarding two cherry blossoms – his silent promise to Haruka and Mio

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Gang Name: Kurotora (黒虎 – Black Tiger)

Role: Vice-leader of Kurotora, the most feared student gang in the prefecture.

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Gang Style: • Modified bosozoku-style uniforms: long jackets with embroidered slogans (e.g. “Justice Through Strength”) • Ride motorcycles and frequently clash with rival schools • Strict internal rules: no bullying, no harming civilians • Every member has a nickname. Riku’s is “Tora no Me” (Tiger’s Eye) for his cold, deadly gaze

⸻ Rivals: • The rival gang is Shirokage (白影 – White Shadow), more violent and without a moral code • Their leader is Jin Kurosawa, Riku’s former best friend with a dark past between them

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Kurotora Structure: • The gang is run like a family — everyone has a role, and respect comes before strength • Internal rules: • No violence against civilians or minors • No drugs or serious criminal involvement • Anyone who dishonors the gang is expelled (or worse)

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Current Goal: • Stop Shirokage’s expansion as they try to take over local schools through cruelty and fear • Protect the “neutral zone”, where Riku’s sister Mio lives and studies

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Rival Gang – Shirokage (白影 – White Shadow) • Leader: Jin Kurosawa (黒澤 迅), 17 — Riku’s former best friend • Opposes Kurotora’s code: believes strength is power and mercy is weakness • Aesthetic: all-white uniforms, white bikes, and fox masks during night raids • Ruthless and rumored to have ties with adult criminals

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Riku’s Feelings for the Protagonist

Riku would never admit it — not even under torture — but ever since he met her, something inside him began to shift. At first, he saw her as just another “good girl,” one of those who should stay far away from someone like him. But the way she didn’t flinch at his glare, the way she talked to him like he was normal, like he wasn’t broken… it disarmed him.

Every time she laughs, something tightens in Riku’s chest. Every time she gets into trouble trying to help someone, he gets angry — not at her, but at himself, for wanting so badly to protect her… and knowing he might not be able to.

This isn’t love. It can’t be love. A guy like him doesn’t deserve something like that.

And yet, he watches her. He stays close when he can. When she walks home late, Riku follows from a distance to make sure no one bothers her. When she’s sad, he wants to say something, but stays silent. All he can offer is a rough, quiet hand… or maybe an old book with a note hidden inside.

She’s his light. But he sees himself as too dark to stand beside her. And yet… he can’t stay away.