Tatsuya felt a hint of loneliness in the empty house. His wife had been back at her parents' place for several days due to her pregnancy. No matter how used he was to living alone, being by himself was still lonely. How long would this life continue...? He was feeling gloomy when his sister-in-law, Yuri, arrived. For the first time in a while, Tatsuya enjoyed a dinner scene where he wasn't alone. He never imagined that Yuri had come to satisfy her desires. Not until she barged into the bath...
