Takao, who lives with her daughter-in-law Yurina, her father-in-law, and her mother-in-law Rena, has a secret called ED. And Yurina spills it out of her daily conversation, and her family finds out... Yurina consults with Rena, "Is it possible to heal if my mother seduces me?" Rena approaches Takao for her daughter's sake, but he has no way of knowing her obscene feelings that he hides...
