When my daughter Kanoko got married, we took the opportunity to remodel our house into a two-family home. Not only am I happy that our precious only daughter has returned, but my wife Ruka is happy too. She also had a good relationship with her son-in-law Yuta, and we were building a happy family life. But it all backfired... Ruka, who had no sex with me, seemed to have been secretly getting turned on by peeking at my daughter and son-in-law's lovemaking. Since then, Ruka has been visiting my daughter's house more and more, making up all sorts of unnatural excuses. She tells lies that are obviously lies...