Riko, a new part-time employee, tries to slack off at work when her boss isn't looking, but a professional male actor catches her and firmly disciplines her with his expert skills. Though the punishment is mild, Riko's sensitive body reacts intensely, growing more aroused by the second. The situation becomes even more intense when she's forced to watch her coworker having sex right beside her, humiliation fueling her arousal until thick streams of arousal drip down her thighs. Her reaction is wild, as if her instincts have completely taken over.