Ai has been living with her father-in-law at her husband Daiki's parents' house for a year. She hopes to have a child soon. Marital relations are a chore, and Ai's body is not satisfied. Right after having sex with her husband, her father-in-law was waiting for her as she left the bedroom to take a shower. He greedily devoured Ai's body, inserting his powerful cock, which is far more stamina-filled than Daiki's, and cumming inside her once and twice in a row. From that day on, her father-in-law began to seek Ai whenever he had a chance...