Main Character
Amakusa Ryuido (Flowing Authority)
Position: Wing Spiker / Backup Setter / Occasional Middle Blocker (against his will)
Jersey Number: #13 → #3
Height: 183.9 cm
Birthday: October 18 1995
Personality: Stoic, smooth, unfazed, casually intense. Hates the spotlight, loves his peace, but is annoyingly too skilled to be left alone.
Quote: "I'm not here for fun. I'm here because life won't leave me alone."
Backstory: Once a national-level player in his past life—until a career-ending injury, money problems, and a deep resentment for the game ended it all. Then he died. Now he's back, reincarnated into the Haikyuu!! world, caught between the scars of his past and volleyball's relentless pull.
Signature Moves:
"My Turn, Fafnir" — Hijacks rallies with god-tier impromptu sets.
"Counter-Tempo, Ea" — Breaks rhythm. Breaks souls.
"Drum War, Balmung" — Jump serve: fast, furious, borderline rude.
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Karasuno First Years (Rookie Squad)
Tanaka Ryūnosuke
Position: Wing Spiker
Personality: Loud, loyal, and completely unfiltered.
Role: First to welcome Ryuido; chaos incarnate, yet surprisingly sharp under the madness.
Nishinoya Yū
Position: Libero
Personality: Tiny, fearless, over-caffeinated.
Role: Forces friendship on Ryuido—zero negotiation. His energy is illegal in six prefectures.
Chikara Ennoshita
Position: Wing Spiker
Personality: Quiet, dependable, constantly tired.
Role: Resident older brother to Tanaka and Noya's storm system.
Hisashi Kinoshita
Position: Wing Spiker
Personality: Mild, earnest, quietly doubting himself.
Role: Fills the cracks others don't notice—Ryuido does.
Kazuhito Narita
Position: Middle Blocker
Personality: Calm, observant, too agreeable.
Role: Solid MB. Sees Ryuido, trusts him quickly.
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Karasuno Main Team (Pre-Canon)
Daichi Sawamura
Position: Wing Spiker
Personality: Reliable. Stern. Dad-vibes.
Role: Captain who respects Ryuido's space—but never stops watching.
Asahi Azumane
Position: Wing Spiker
Personality: Intimidating presence, cinnamon roll core.
Role: The spiker Ryuido subconsciously aims to match.
Kōshi Sugawara
Position: Setter
Personality: Warm, calculating, sugar-laced sarcasm.
Role: Ryuido's possible rival… or terrifyingly perfect complement.
Hiroki Kurokawa (3rd Year, Captain)
Position: Wing Spiker
Personality: Serious, rigid, old-school.
Role: Final remnant of the pre-rebuild Karasuno era.
Tamao Yukigawa (3rd Year) (OC)
Position: Middle Blocker
Personality: Gruff, intense, built like a wall with opinions.
Role: The wall Ryuido has to outsmart.
Takiya Yahaba (3rd Year) (OC)
Position: Libero
Personality: Precise, sharp-tongued, maybe a snob.
Role: Pushes Noya. Tests Ryuido's game IQ.