Kei KOBAYASHI, a female teacher, had a physical relationship with his instructor Sato. But it was just the beginning of a dangerous affair. Sato, who was full of adolescents, was not tired of normal sex, and even in school he wanted to have a blessed body. Sato's excessive desire to have sex in every corner of the classroom, toilet, and health room. But even if you know that the blessings are bad, you get a thrilling sense of pleasure and wet your crotch.