Since childhood, Yuto has always been compared to his outstanding older brother, Keigo. As a result, his life has been dominated by complexes and feelings of inferiority. Keigo has treated Yuto like an incompetent underling. Amidst this ongoing torment, the hatred growing in Yuto's heart gradually transforms into an intense desire for his brother's wife, Manami. One day, this emotion suddenly becomes reality. He assaults Manami, forcefully embracing her despite her resistance, and cums inside her. This act marks the beginning of his revenge, where desire and hatred collide.