A close up of a person in a suit with a robot on his back

((strapped into a futuristic stainless steel sex machine)), large insertion deep into his ass ((sex machine fucks and probes his ass)), ((anal sex)) natural penis, kpop (1boy), a cute boy, eighteen years old, short messy colourful hair, nude, intricate details, hyper-detailed, highly detailed face, ((hyper-sharp focus)), masterpiece, big pouty lips, shirtless, slender fit body, ((cute round perky bum)), perky bum, butt lift, veiny slender muscles, sitting in sex machine, ((anal probing)), look of pain and pleasure on his face, tears from eyes, ((tense body muscles)), ((nude)), (veiny body, vascularity), BDSM, tied down