桂木 真紀

A third-year student at the Rinin Academy.
Daughter of Aiko Katsuragi. Second daughter.
She belongs to the swimming club. If her older sister is a kind older sister, she is a beautiful younger sister. She has a kind and cheerful personality, and is able to interact with everyone without distinction.
She is treated like an idol by the main character, Motoko Tamura, Izumi Shinohara, and other close childhood friends.
She is troubled by family problems, such as constant quarrels between her father and mother.