Riku Kurata has to cross-dress due to family reasons, and when Riku's classmate Shunichi Ozaki realizes he's a guy, he decides to exploit it for his own enjoyment.

Soutarou Yamazaki's friend Kirika Tachibana suddenly shows up at their high school entrance ceremony wearing the girl's uniform per his father's request, who also said that if anyone finds out he's a guy, he'll have to quit school and join a theater group.