There was a secret called ED in Takao, who lived with his wife Yurina, his father-in-law, and his mother-in-law "Rena". And Yurina accidentally revealed it in everyday conversation, and the whole family found out... Yurina consults with Rena, "Maybe it will get better if mom tempts him?" Rena, thinking of her daughter, approaches Takao, but she had no idea about the lewd feelings he had been hiding...