An incestuous sex film of the girl Yuna Ogura was living a happy married life with her husband when her father-in-law asked to stay. Her father-in-law and her mother-in-law argued, no one would give up, so her father-in-law decided to go out. Yuna really doesn’t want to have to live with her father-in-law, she feels very inconvenient to have another man. Her husband also refused to have sex with her because her father was still here. She always reminded her husband to speak well to his father and told the two of them to quickly reconcile. Seeing the beautiful daughter-in-law doing housework made the father-in-law who had not made love for a long time feel excited again. He sexually harassed Yuna many times, while Yuna fell asleep, he played tricks on her. Yuna repeatedly protested, but gradually the feeling of happiness that her father-in-law brought to her was something she had never found in her husband. She gradually sinks into this wrong relationship, she loves her husband very much but at the same time she also loves having sex with her father-in-law! Yuna decides to keep this secret and continues to make love to her father-in-law whenever her husband goes to work…