Tatsuya was feeling a bit lonely in his deserted house. It had been a few days since his wife went back to her hometown due to pregnancy. No matter how accustomed he was to living alone, he still felt lonely. I wondered how long this life would go on... When I was feeling depressed, my sister-in-law, Yuri, came over. Tatsuya was buoyed by the sight of dinner for the first time in a long time that he was not alone. There was no way he could have thought that Yuri had come to relieve her frustration. That is, until Yuri interrupted him in the bath....
