Shiori returns to her in-laws' house. This year, it's her mother-in-law's first death anniversary. The father-in-law, whom she hasn't seen in a while, looked a little tired and lonely. However, he put on a brave face, acting strong as a single man in front of his son and daughter-in-law. Shiori felt a strange mix of masculinity and sadness in her father-in-law's demeanor, something different from her husband's, which touched her heart. One day, she decided to make her father-in-law's favorite mochi to cheer him up. The taste was exactly like the mochi her late mother-in-law used to make, and Shiori's appearance strongly resembled her deceased wife. Before she knew it, tears streamed down her face, and her father-in-law clung to her. Unable to contain his emotions, he ended up having sex with Shiori. However, this act was different from what she had with her husband. Shiori, who felt her father-in-law's love for his late wife, decided to indulge in this forbidden act for just a week during the Obon holidays. Despite feeling guilty towards her husband, she couldn't resist the pull towards her father-in-law.
