A neighbor and childhood friend of Manaka until she moved away to the countryside. Only one year younger than Manaka, she is very much like a younger sister to him. She has a very strict father. She is fond of chocolates and cake, and has a bad habit of sleeping naked. As a fellow student of Oumi Academy, she looks up to Nishino as a role model, and is infatuated with Okusa. In her second year of high school, after an argument with her father over her living with Manaka and his family, she decides to live in an apartment on her own even though she still has trouble cooking for herself. She still prefers to sleep in Manaka's bed when given the chance. Associated with the South ("Minami").