While my husband was away on a business trip for two days, I had intense sex with my father-in-law and experienced continuous orgasms, which was the worst I've ever felt... (Hatsukawa Minami, MIDE-707)

Nan, a young wife whose sex life with her husband has dwindled and who lives a depressed life, now lives with her father-in-law, whom she divorced years ago. Her father-in-law, with his extremely high sex drive, takes advantage of his son's absence to have sex with his daughter-in-law, bringing Nan to multiple orgasms…