Overview

Maiko, a mother, lives with her daughter and her husband, who was worried about her husband living alone. On the surface, their relationship was good and there were no problems, but his frustration built up and he started masturbating every night. Then, her son-in-law, Hikaru, secretly peeks at her naughty behavior... When Maiko found out that he had a big dick, she couldn't control her overflowing lust and seduced him obscenely at every opportunity. The son-in-law, whose big cock swells due to his mother-in-law's repeated lewd behavior, can't stand it anymore...