Riko who decided to live with her father-in-law after getting married. She had a good relationship with her parents and had no complaints about her newlywed life, but she felt unsatisfied with her nighttime activities being a little perfunctory. Riko spends the night alone with her father-in-law on her husband's business trip. She unconsciously begins to masturbate with her momentum after drinking too much. Her father-in-law, who witnessed her, couldn't fit in her, and relentlessly played with her Riko's body, which got her crotch wet. Riko, who remembered her climax many times with her husband's negligence, could not forget her pleasure.
