Toru was enjoying a brief moment of freedom. His wife had gone back to her parents' place for childbirth preparations and was absent. He didn't have any thoughts about taking advantage of this chance to go out with women; instead, he watched TV, read books, and spent his time leisurely. …But then, suddenly, his sister-in-law Sayu appeared. She said she had come to take care of Toru's daily needs since his wife was away, but Sayu's real target was her brother-in-law's dick. Sayu gave a wicked, seductive smile. The dangerous night alone with the two of them deepened…
