Miki and her husband visited her husband's family home for the first anniversary memorial service of her mother-in-law. That evening, the couple drank with the father-in-law. The husband, exhausted, went to bed early, leaving Miki alone drinking with her father-in-law. Looking at her, the father-in-law was reminded of his late wife. After a while, he muttered that he was lonely and pushed Miki down. Although she resisted, she was moved by his emotion and accepted his desire. A few days later, a frustrated Miki couldn't stop thinking about her encounter with her father-in-law. She tried masturbating, but it didn't help. That night, after being rejected by her husband, Miki headed to her father-in-law's house in the middle of the night. She begged him to hold her, and they passionately sought each other out...