S men presents a sadistic, obsessive work titled "S Men." Skillfully using night vision, it creates an intense, immersive atmosphere akin to a dark cruising spot's black room. Erotic developments unfold in darkness, drawing viewers into heightened tension and arousal. First, in the pitch black, a submissive man reveals himself through masturbation, exposing not only his body but also his psychological unease and fear. Then, the real night session begins. The unknown terror of not knowing what will happen next amplifies the eroticism. Lewd touches assault the body, while unidentified foreign objects are forcefully and intermittently thrust into the anus. Each penetration sends unbearable pain, causing the victim to writhe and suffer. Relentless piston-like thrusts push both body and mind to their limits. The already broken anus is naturally invaded by the S man's huge cock, further defiling the victim's body. In the darkness, the sounds of the victim's cries blend with uncontrollable moans and the S man's excited breathing. This intense realism and sadistic pleasure plunge the viewer into deeper ecstasy.