Tsubasa was living a happy married life, but her husband's work got busy and they were not only not having sex, but even their conversations were getting less and less. Worried that her husband might leave her like this, Tsubasa went to her father-in-law, who lives with her, for advice. However, the next day... "Tsubasa-san, I'm sorry, but could you wash my back?"Tsubasa went to the bathroom to receive a rare request from his father-in-law, and was suddenly attacked...