Frisk from undertale, ((Frisk's face stoic expression)), (Friks's eyes), ((Frisk closed eyes)), (Frisk's sweater), ((Frisk's long-sleeve light blue sweater with two magenta stripes)), beatiful small body, small legs, small ass, nude from the bottom, (vagina), (shaved pussy), (Frisk's bare feet), she is standing, her hands are tied up with a chains, she is restrained, (her hands are up to the ceeling), big dildo sex machine with a metallic rod, (dildo inside of her vagina), gray brick walls in the background, front view, masterpiece, very detailed image, 4k image