Juri was living with her daughter after her husband passed away. Her daughter got married last year, and now she lives with her daughter and her husband. The daughter and her husband were having sex on the second floor. Hearing this, Juri became aroused and tried to console herself. However, after a while, she could no longer hear the sounds. One day, Juri called out to her stepson who was feeling down. The stepson thought he was no good at sex and was no longer able to seduce his wife. "Do you want to see if I'm no good?" Juri had a relationship with her stepson. She had thought it would be a one-time thing, but...