It was the winter of five years ago that I was guilty of unfaithfulness. At that time, Yuzuru-kun, who discovered her husband's affair, shook her body and honestly conveyed her favor to me, who was injured by her. I wanted her to fill her loneliness, and even though I knew it wasn't good, I responded to that thought. A young boy aged away ... Every time he was asked, the flickering guilt was drowned out by intense sex. At first, I intended to hit his husband and play with fire, but my feelings for him grew day by day.