Kazuo, who has a bad relationship with his father, secretly loved his beautiful mother, Yumi. One day, Kazuo, who reached the limit of patience, hit Yumi's body with the strength of his thoughts when he saw Yumi's appearance, which was worthwhile to care for his father who was drunk and returned home as usual. Yumi is frightened by the exposure of the forbidden relationship that has begun, but she could not escape from the pleasure. The two who repeat affairs so that their father will not find them will eventually become absorbed in mother and child incest.
