Ryou, a wife who felt lonely due to her husband's lack of interest in her, found solace only in the kind words of her brother-in-law, Tooru, while staying at his place during her husband's business trip. One day, Ryou discovered her husband's infidelity. Seeing Ryou's sadness, Tooru gently embraced her. Feeling Tooru's deep affection and warmth, Ryou, though knowing it was wrong, accepted him, and the two gradually filled each other's emotional voids, becoming engrossed in a love-filled sexual act…
