Karen becomes the target of a depraved teacher with twisted thoughts. During an exam, she feels the urge to urinate but is denied permission to go to the restroom, resulting in an embarrassing accident. The teacher's training intensifies, aiming to turn her into his personal sex toy. This includes remote masturbation sessions in the hallways and stairwells where other students pass by, as well as creampie sessions during study time. He even marks up her body, claiming ownership over her. As Karen is molded into a submissive sex slave, she gradually becomes aware of her own degradation...
