Yumi is dissatisfied with her brother-in-law, Keiji, who is staying at home without doing much work. She asks her husband to do something about it, but she is completely unreliable and spoils him. At that time, Yumi is bedridden with a cold. Keiji, who has always been jealous of her nagging sister-in-law, does not miss this opportunity and pushes him down at once. Yumi, whose body is weak and unable to resist, is trampled on by her plump body. However, Keiji's sticky revenge doesn't end there...
