Confinement Brainwashing I Was Disciplined By My Brother-In-Law Mari Takasugi

Although we are not related by blood, my brother-in-law always treats me kindly. One day, my parents went on a trip. As soon as I was alone with my parents, my brother-in-law suddenly changed. My brother-in-law's twisted affection turned toward me. Confined in a room and played with. At first, he resisted, but he was raped and brainwashed by his brother-in-law, and fell into distorted love...