Two years after her husband's death, Kasumi decided to live with her daughter and son-in-law. It's really helpful because I don't feel lonely anymore, but there's a problem. It is to listen to the activities of the night. My body couldn't help but flush and I was secretly comforting myself. But one day, my son-in-law found out masturbating. He was attacked by an excited son-in-law. A finger and vegetables are included in the secret section even though she protests and she feels it. At that time, Kasumi, who had heard about his son-in-law's troubles, ended his relationship with her...