Cute, sexy, puppy-like, and mature! Today I'm being swept away by a mysterious guy filled with contradictions.

Meiko has begun working part-time as a lecturer at a vocational school once a week. The only reason she can handle the unfamiliar lessons is due to Yukari-kun, the diligent student. Yukari-kun serves as a source of comfort! A mental oasis, a cute student! However, outside of school, Yukari-kun reveals an unexpected side to himself…!?