High-school student Hasumi-chan is drawn to Khomura-sensei, a young, socially awkward biology teacher generally seen as weak and boring but recognized by her to be kind.

A short-length episode of an encounter between Enda and Tafuchi, and their surprising secrets revealed! A story about a cute kouhai that will take care of you, aren't you happy?! A male kouhai, Tafuchi (First Year) that pampers his female senior, Enda (Third Year).