Yui Minamito  

, 南戸 唯

Manaka's childhood friend and neighbor who moved away to the countryside. Although one year younger than him, she is very much like a younger sister. Her father has strict rules. She enjoys chocolates and cake but has a habit of sleeping naked. At 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 about living with Manaka's family, she decides to live in an apartment on her own despite struggling with cooking for herself. Despite this, she still prefers to sleep in Manaka's bed when given the chance. She is associated with the South ("Minami").