A true perverted masochist descends into ecstasy through brutal slaps and whipping! Submissive M-girl Tsubame Amai meets dominant Rui Negoto, with her sadistic switch fully activated. Together, they form the ultimate lesbian master-slave bond. Amai begs for private training from Negoto and willingly falls into the role of a sexual slave. Bondage, slapping, ass spanking, whipping, pet training, strap-on FUCK… Amai, fully immersed, finds pleasure as her reddened ass swells from punishment. Her genuine masochistic reactions bring Negoto complete satisfaction. A raw and intense S×M lesbian performance, with both actresses in full arousal.