Tatsuya felt a quiet loneliness creeping in, the silence of the empty house tightening around his heart. It had been several days since his wife returned to her parents' home for her pregnancy, and although he thought he was used to living alone, being by himself was still painful. He sank into a gloomy mood, wondering how long this isolation would last. Then, suddenly, his sister-in-law Yuria showed up unannounced. The thought of sharing dinner with someone again brought a glimmer of warmth to Tatsuya's heart. But what happened next was beyond anything he could have imagined. Yuria barged into the bathroom while he was showering—an unexpected intrusion that left Tatsuya shocked and completely flustered.