Full name: Aoi Oyama. A male protagonist who, due to certain circumstances, must attend an all-girls high school disguised as a girl. He is constantly flustered, trying to keep his true identity from being discovered by the other students while getting caught up in various mishaps. After losing his grandmother and parents, he began living with Kokoro. Address for Kokoro: Kokoro Status: High school student

Full name: Kokoro Hata. Female. She is extremely expressive, sometimes to an overwhelming degree. While she is fundamentally a cute heroine, her personality can shift drastically depending on the situation. She was previously cared for by Aoi's grandmother. Address for Aoi: Aoi-chan Status: High school student

A student at the girls' high school.

A student at the girls' high school.