Karen, targeted by a perverted teacher with twisted thoughts, is made to urinate on herself during an exam when she's not allowed to go to the bathroom. To turn her into his personal sex toy, the brainwashing escalates. He makes her orgasm in hallways and staircases where other students pass by using a remote-controlled vibrator, performs internal ejaculation processing in places of study, and writes on her body to show she's his property. Karen, trained to be a flesh toilet and fuck doll, gradually realizes her degraded self and starts calling herself a slave●…
