A strict female teacher, Monami, had a serious habit of posting her best body on the net and enjoying the reaction. One day, one of the students finds a video and realizes that the owner of the huge breasts is Monami. Monami, who had a secret, had to be compliant, and had to spend days rubbing her breasts in the school. On the side of the other students, near the student's family ... Desperately enduring pleasure, but the body reacts to the relentless development of breasts and nipples ...