kurotsuki (luowei99), holding legs, 1boy, anus, ass, barefoot, bdsm, bed, bladder filling, blush, bondage, bound, catheter, close-up, disembodied hand, feet, forced, foreskin, gradient background, male focus, matching hair/eyes, medical, nude, object insertion, one eye closed, open mouth, peeing, penis, purple hair, red eyes, red hair, rope, short hair, shota, simple background, small penis, solo, sounding, spread legs, syringe, toes, uncensored, urethral insertion, wink, x-ray