The younger brother who sends thought to the bride who is the Kirei of the older brother. As for the thought of the So, it becomes a real thing by a certain case, and the story shows immediate development. Be sensual, and the SEX scene of a sister-in-law and the brother-in-law who demand it while having Immorality and a sense of guilt is beautiful. "Thank you"…With you…Want to do SEX…」