Kanako's "wisdom teeth" got worse and she was forced to undergo surgery and be hospitalized. In order to take care of her husband Yukihiro, who was left alone, Kanako's girlfriend's mother, Sayaka, will go to her house for a while. Yukihiro had her first moments with her mother-in-law for the first time in a while, and Sayaka had a few moments with her young man. One day, Sayaka sees Futo Yukihiro's erect crotch. The two were panicking, but the happening didn't end there...
