Emi, worried about her son who is exhausted and listless from his demanding job. One day, Emi and her husband engage in nighttime activities, but their son watches and becomes excited. Emi notices her son peeping but pretends not to see him. The next day, Emi goes to her son's room and carefully brings up the previous night's events. 'You were hard, weren't you?' she says, resolutely groping her son's crotch. To cheer him up, she says, 'You can do whatever you want with my body,' and starts taking off her clothes. Her son is confused but excited, and under his mother's guidance, they press their bodies together…
