I was supposed to promise my brother and his wife that I would only kiss her. They promised to only kiss behind his brother's back, but... But when their tongues intertwine in a passionate kiss, they can't hold back any longer...
원래 제목: HUNTB-452 「キスだけ。それ以上はダメ…」兄に隠れて兄嫁とキスだけの約束のはずが…。舌が絡み合う情熱的なキスに燃え上がってしまった2人は我慢しきれず…。
My brother and his wife wait for their brother who doesn't come home until late at night. As she talks to me to fill her loneliness, we are attracted to each other.... I had been holding back, trying not to cross the line, but my brother and sister-in-law promised to only kiss me, and we ended up kissing each other all the time.... But then, my brother is suddenly transferred to another city. He is separated from his brother and sister-in-law...! In this situation, kissing is no longer enough! He pushes down his hesitant brother and wife and decides to penetrate her! They understand that they are in a muddy affair, but they can't stop having immoral sex!
