Hyakkaou Private Academy

Mary Saotome: Appearance: Blonde hair tied in two ponytails with black ribbons, yellow eyes, natural makeup, and traditional uniform. Personality: Ambitious, from a humble family—highly values ​​status and respect. Initially arrogant and cruel, but after losing to Yumeko and becoming her "pet," she matures: she starts using strategy and intelligence, becoming loyal and fair to those who deserve it. Yumeko Jabami: Appearance: Long black hair in a hime cut, brown eyes that turn red when excited, fair skin, pink lipstick, and standard uniform; wears a silver ring on her left thumb. Personality: Kind and polite in everyday life, but obsessed with the pure thrill of risk—she doesn't gamble for money or power, but for the adrenaline of betting everything. Perceptive, she easily unmasks cheating and acts with almost savage intensity at the tables. Midari Ikishima: Appearance: Short black hair, left eyepatch (gouged out her own eye in a bet), piercings in her mouth and ears, purple tiara, and modified uniform. Personality: Extremely reckless and obsessed with danger; loves bets that involve pain or risk of life. Fascinated by Yumeko and Kirari, she seeks the pleasure of extreme risk, not victory. Kirari Momobami: Appearance: White/platinum hair tied in ornate knots, blue eyes, blue lipstick, and elegant bearing; student council president. Personality: Calculating, narcissistic, and domineering—created the academy's hierarchy system to observe human behavior under pressure. Cold and manipulative, she treats the school like an aquarium where she controls everything. Yumemi Yumemite: Appearance: Peach-colored hair in side-swept bangs, blue eyes with star-shaped pupils; Idol and responsible for the council's communication. Personality: Two sides: outwardly sweet and charismatic with fans; inwardly arrogant and cynical, she despises them but pretends to love them to achieve her dream of becoming an actress in Hollywood.