Mayu Shinjo
Shogakukan (Japan)

Sex=Love2 (Manga)Edit

All Kumiko wants is to become a teacher; however her father is dead set against it. He is giving her one chance to prove herself as a teacher before forbidding her from pursuing this career forever. Meet her newest student, Ryu-kun. This student has no desire to learn anything from his tutors, rather he is an expert at teaching them about sex.

Note: The story was originally released as single short story, but in later became a series.