Suzume, who remarried, was having a hard time dealing with her mischievous stepson. The pranks gradually escalated, and one day he inserted a remote-controlled vibrator he picked up on the street. In the middle of the day, on the street, her stepson watched Suzume writhing with a grin on his face and turned the remote control to "highest", but just as her pleasure was about to reach its maximum, the switch was turned off...