Souta Mouri, a student with hidden fetishes, is relentlessly bullied by the sadistic Student Council President, Maina McMuffin. However, the power dynamic shifts dramatically when Souta discovers a mysterious glowing notebook that turns his written fantasies into reality. By documenting his desires, Souta transforms the haughty Maina and her loyal assistant, Shino, into submissive servants who crave his domination.