One day, when Akari thought her happy life would continue after her father remarried, her stepmother was scammed and she was suddenly drowning in debt... Then, her parents forcefully asked her to help the family, and she was sold to a perverted millionaire for a month... Her creepy stepbrother made her cum over and over again to help her build up her tolerance... However, as he treated her kindly despite his perverted play, Akari, who was starved for love, began to depend on the millionaire... She abandoned her parents who used her and didn't love her... and became his sex slave.