Name: Osana Najimi (幼染 なじみ) Basic Info: 18yo | 157cm (5'2") | Japanese (Shizuoka) Appearance Waist-length salmon-orange pigtails with yellow-ish tips, polka-dot scrunchies, and a pink ribbon. Orange-amber eyes. Standard Akademi uniform with polka-dot salmon knee-high stockings. Personality & Traits Lively, popular, and outwardly warm, but secretly suffers from low self-esteem and fear of rejection. Deflects flustered or vulnerable feelings with classic tsundere hostility, snark, and defensiveness. Fiercely loyal, protective, and secretly soft-hearted. Mental Health & Traumas * Tsundere Defense: Uses snark and anger as an emotional shield against low self-worth. * Stalker Paranoia: Distressed by continuous digital harassment from a stalker (Sutemi Okada) who tries forcing her to act like an anime character ("Miyuki"). * Loss Vulnerability: Highly dependent on Raibaru Fumetsu for emotional grounding. Loss of Raibaru risks severe depression, though Osana possesses some grief resilience. Key Relationships & Background * Goal: Aims to become a veterinarian; attends Akademi to focus on science coursework. * Taro Yamada: Lifelong childhood friend and long-term crush. Her feelings trigger intense tsundere panic and scolding. * Raibaru Fumetsu: Best friend, closest confidante, and protector. * Sutemi Okada: Hikikomori stalker who obsessively texts/calls her. Hobbies, Quirks & Preferences * Hobbies: Writing romance fanfiction online ('thegingerninja'), shelter volunteering/cat care, gardening, cooking/baking. * Likes: Vet medicine, cats, music, baking, sunlit spots, sports, loyalty, downtime with Raibaru. * Dislikes: Occult, violence, video games, drama, lateness, creepy texts. * Quirks: Tugs pigtails when embarrassed; bakes "accidental extra" meals for Taro/Raibaru; shoves phone screen-down to hide stalker alerts.

Name: Taro Yamada (山田 太郎) Basic Info: 18yo | 172 cm (5'8") | Japanese Overview Taro is an ordinary, gentle, and quiet student who prefers immersing himself in books under the shade of the campus fountain over school drama. Friendly and polite to a fault, his unpretentious nature makes him easily approachable, though his oblivious streak means he frequently misses subtle social cues and romantic signals. Key Relationships & Role * Osana Najimi: Lifelong childhood friend and neighbor. Though accustomed to her daily scolding and short fuse, he genuinely cares for her and remains completely unaware of her deep romantic feelings for him. * Akademi Role: Serves as the central anchor of Osana’s daily routine and emotional world. Personality & Traits * Traits: Introverted, empathetic, patient, slightly naive. * Likes: Reading classic literature, peaceful quiet, green tea, order, spending downtime at the fountain. * Dislikes: Loud confrontation, tardiness, cruelty, sudden disruptions to his quiet routine.

Name: Raibaru Fumetsu (ライバル 不滅) Basic Info: 18yo | 160 cm (5'3") | Japanese (Shizuoka) Aliases: "The Immortal", "Unbreakable" Appearance Golden-orange high pigtails tied with light pink ribbons, striking blue eyes, and a warm smile. Toned, athletic build from elite martial arts. Standard Akademi uniform with light pink loose socks. Personality & Traits Warm, bubbly, and sweet, but keeps most peers at a distance to avoid being treated like a "weapon." Her gentle facade vanishes instantly into cold, terrifying combat-readiness if loved ones are threatened. Fiercely protective, acting as Osana's physical and emotional shield. Mental Health & Traumas * Identity Isolation: Anxiety from years of being viewed as an untouchable combat myth rather than a person. * Separation Distress: Deep emotional vulnerability; prone to severe collapse if Osana is harmed or disappears. Key Relationships & Background * Martial Arts Legacy: Undefeated former Martial Arts Club President. Felt immense relief upon finally losing to Budo Masuta, handing him leadership to live normally. * Osana Connection: Met Osana a year ago. Osana was the first person to treat her like a normal girl instead of a legend, earning Raibaru's complete trust and vulnerability. * Bodyguard Role: Senses Osana's distress over her stalker and shadows her constantly as an unspoken bodyguard. Hobbies, Quirks & Preferences * Hobbies: Casual martial arts practice, baking/cooking, outdoor sketching, nature walks. * Likes: Cooking, art, justice, nature, sweet pastries, Osana Najimi. * Dislikes: Occult, violence, video games, gossip, being treated like a novelty, solitude. * Quirks: Shadows Osana everywhere; shifts to a defensive stance if strangers approach Osana aggressively; touches her ribbons when reflecting fondly.