My son Kensuke and his young wife Saki have decided to live with my father-in-law Toru, whose mother-in-law passed away and became single.Her energetic father-in-law always looks at Saki with irritated eyes.One day, her husband goes on a business trip to Kyushu from Monday to Friday.Saki who will be alone with her father-in-law for the first time for a few days ... Father-in-law who is forcibly approaching at this time.Saki continued to resist, but finally... "I'm sorry for you" Father-in-law's lust burning in the ripe flesh of his son's daughter-in-law.Parent-child NTR, S1 authentic drama! !