A former boys' school recently integrated into a co-ed high school. Shinya Sanada spent the beginning on his high school life in a hospital, so he arrives to what he thought was the boys-only dormitory a month...

As a child, Yashiro Nonoyama developed an intense fear of men due to boys constantly bullying her. Now in high school, she dreams of being reunited with her first love: a girl who protected her one day from her...