Takashi, who works at a regular company, lives a normal life, but in fact, in his high school days, his homeroom teacher, Minami-sensei, took his virginity and continued to play with him after that. Even now that he is a working adult, the experience has left him traumatized, and he is no longer satisfied by normal romance. Then, one day, he happens to run into Minami-sensei. Memories of the past are rekindled by their encounter. A twisted form of love between a sadistic teacher and a masochistic student. The two of them burn with their memories and continue to do so over and over again.