Forced to enroll in school one month late after recovering from a serious illness, Harutaro is doing his best to remain optimistic about the entire situation. The other students are working hard to make Haru feel welcome, especially his chubby, loveable pal, Shota. However, Kai Majima, President of the Manga Club and all-around hard case, seems to be the one person intent on making Harutaro's school life a living nightmare.