Kazuo, who has a bad relationship with his father, secretly loves his beautiful mother, Yumi. One day, Kazuo, who reached the limit of her patience in the appearance of Yumi taking care of her father who came home drunk as usual, hit her body with her thoughts. Yumi is frightened by the exposure of her forbidden relationship that she has started, but she could not escape from her pleasure. The two, who keep having love affairs so that her father won't find them, become obsessed with mother-son incest.
