Mizuki, a female teacher, has her secret weakness discovered by a male colleague. The male teacher calls Mizuki to the classroom after school and forces her to have a physical relationship on the condition that she keeps the matter a secret. However, the scene is discovered by a male student who went back to get something he forgot. An extraordinary experience unfolds on campus between Mizuki, a female teacher, and a male student. Here too, the world of pleasure that everyone dreams of exists...