Misaki and Aino, who attend the same school and work at the same part-time job. One day, Misaki becomes aroused by Aino's large penis she sees in the restroom and attacks Aino. Aino, who already had a perverted fantasy habit, ends up experiencing pleasure while being violated by Misaki. Their relationship thus begins, and their perverted acts escalate to the point of fisting! They ejaculate endlessly.
