MCSR-231 — Oh, Father-In-Law, Please Stop... My Son Is My Love Rival. My Father-In-Law Is A Cuckold And Incestuous Woman. My Masochistic Wife Gets Wet Just Thinking About What Would Happen If My Husband Found Out...

We were supposed to have a happy marriage with a kind husband, but... Maybe we're just being selfish. Because we're not satisfied with a husband who's only kind at night... With their keen insight and overflowing sexual desire, fathers-in-law try to get their hands on their wives, becoming rivals in love with their sons!