Mari Kurihara

Mari Kurihara, nicknamed "Crow-User Mari", is a supporting character of Prison School. She is third-year student in attendance at Hachimitsu Academy the daughter of the school chairman and the older sister of Chiyo Kurihara who is a popular student due to her wealth, beauty and social power. She was the main antagonist during the boys' imprisonment, but she became a supporting character allying with the boys and was the lead protagonist during the Sports Festival's main event. Mari is a tall and lithe young woman with back-length black hair that has two front shoulder-length hair strands hanging in the front with bangs swept to the right side, blue eyes (green eyes in the anime), full pink lips and she is frequently described as one of the most beautiful students in the school. She wears the standard female school uniform with dark tights. During her incarceration, she wears an undersized female prison uniform consisting of striped short tank top and matching short striped trousers. Mari is a proud and dignified student who exerts a sense of authority about her that lends to her popularity. Mari prefers the company of crows to people outside of her subordinates and closest friends that are senior members in the Underground Student Council, and she can control them. Mari is well known for her intelligence, athletic ability, leadership abilities and all-round talent both in her middle and high school years. She is a calm and controlled character who displays intelligence and cunning throughout the series, as shown by her plan to exclude the boys through DTO and her later secret engineering to prevent the official Aboveground Student Council from destroying the USC with their subterfuge. Though Mari's strained relationship with her perverted father results in her misandry treatment of the boys, she adapts to be able to socialize with the boys and empathize with them. However, Mari is a genuinely kind person deep down, as shown when she helped a younger Meiko Shiraki to become more confident and prevented her Kate Takenomiya (Mari's to-be arch-rival) for bullying her in middle school. Mari is also very close to Chiyo Kurihara (Mari's younger sister), whom she shared her childhood with even as she grew estranged from their father. She is also a graceful loser, as shown when takes punishment from the official Student Council and responsibility for physically abusing the 5 boys during their prison term, even praising Kate for her strengths though she is her arch-rival.