Minami is an extremely beautiful and solemn female teacher. Since the students of her class are absent, Minami is asked by the class teacher to come and talk to her family. She came here once, but because of the stench coming from the garbage that filled the house, Minami decided to return. But this time, the student's father came to open the door, so Minami couldn't go back. Entering the house, the smell became even stronger, causing Minami to go to the toilet to vomit. Taking this opportunity, he immediately put the aphrodisiac into her water bottle. Minami didn't have any doubts and took the aphrodisiac. Minami's mind gradually became empty, and her body was extremely sensitive, making it easy for him to take over her body. Since then, Minami has stayed here to live with him, constantly giving her all kinds of aphrodisiacs to keep her awake. And when his son finds out, Minami officially becomes a sex toy for both father and son...