- A lesbian mother-in-law sneaks into the couple's bedroom on the night when she is alone with her son's daughter-in-law, whispers "I'll teach you how to have sex with women from now on" and devours her lips. - The daughter-in-law, who felt the relentless caress of her mother-in-law, is at the mercy of her mother-in-law and accepts her mother-in-law. prohibition