Sayako Ishihara" (44 years old), a mother who loves her only son very much. Sayako will do anything for her son. The relationship between her and her son used to be very close, but since her son could not enter the university according to her husband's wishes, their relationship became strained. Her husband often got angry, her husband's authoritarian nature made her son prefer to lock himself in his room. Her husband's attitude had been like that for 2 years, it greatly affected the previously harmonious relationship in the family. Now the family has become very foreign to Sayako and her son. Sayako's son is named Sota. Sota, who used to have a very close relationship with his mother, now prefers to lock himself in his room because of pressure from his father. He decided to become a game streamer. As time went by, the relationship in the family became more complicated. Sayako's husband who started having an affair with a young woman really hurt Sayako's feelings. The man was not at all interested in Sayako's old woman's body. Sayako really suffered, because Sayako was actually a woman who had a high sex drive. However, because of that, Sota, who didn't care about his mother, started to care about his mother again. Sota, who was initially unlucky in the streaming world, suddenly got a lot of viewers when his mother was accidentally caught on camera. Sayako decided to help Sota do Live streaming, for some reason, at the encouragement of the viewers, they might cross the boundaries of a normal relationship between mother and son. They might have an immoral relationship. Will they?