Takao, who lives with his wife Yurina, father-in-law, and mother-in-law 'Rena,' has a secret: erectile dysfunction. Then, Yurina accidentally lets it slip during a casual conversation, and the whole family finds out... Yurina asks Rena, 'Maybe if Mom seduces him, he'll get better?' Thinking of her daughter's well-being, Rena approaches Takao, but she doesn't know about his hidden perverted feelings...
