Struggling with embarrassment as her hips sway and her most intimate areas are filmed, a strange sensation slowly begins to rise within her. We have her experience the "assjob." Female students straddle a man and start slowly rubbing their bodies against his erect penis. Their breathing grows heavier as they begin to feel pleasure from the act. The wet spots spreading across their panties reveal their genuine arousal. As they seriously pursue pleasure, they consciously grind their buttocks. Watching their rhythm, the man says, "Stay in that position and show me how you masturbate." Remaining on all fours, the girls begin touching their private parts. Their earnest masturbation is evident in the way their hands move and their hips sway. Soon their breathing turns ragged, and gasping, "Ah, oh no, I might cum!" they rapidly increase the pace of their finger movements. And then...!