4k, Best Quality, male, Panda, Gouhin, beastars, masculine, naked, uncut penis, NSFW, pezones masculines, muscular, well-built, anatomically correct, kneeling on a wooden desk looking at viewer, He masturbates while having an orgasm, expelling a stream of semen on the same desk, agitated expression slightly blushing sticking out tongue, background of an empty school classroom in daylight.

ugly, tiling, poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, deformed, body out of frame, blurry, bad anatomy, long anatomy, blurred, watermark, grainy, signature, cut off, draft, Bad hands, Amputee, Missing fingers, Missing hands, Missing limbs, Missing arms, Extra fingers, Extra hands, Mutated hands, Mutated, Mutation, Multiple heads, Malformed limbs, Long neck, Fused fingers, Fused hands, Dismembered, Duplicate, Improper scale, Ugly body, Cloned face, Cloned body, Gross proportions, Body horror, Too many fingers