Yuka's husband is assigned abroad, her son rebels, her frustration increases due to loneliness, and masturbation becomes a daily habit. One day, my son's friend, Makoto, came to visit, having injured both his hands. Yuka feels sorry for him who can't even manage his daily life and take care of him … Unlike my rebellious son, one day when I felt the pleasure of serving in his honest response, Makoto got an erection while his body was being wiped. After that, Yuka, who felt her body aching from his powerful cock, couldn't bear it.