A vulnerable submissive, hands bound behind her back, is at the mercy of her dominant master. He teases her nipples with electrodes, sending jolts of pleasure-pain through her sensitive breasts. She moans, her body writhing as he increases the intensity, her large tits bouncing with each shock. The air fills with the scent of her arousal, mixed with the faint hum of the electrosex device. Her master, fully clothed, watches her squirm with sadistic satisfaction, his cock hardening at her submission.