Rule 34 Dev - abs biceps blush bodily_fluids bulge clenched_teeth clothed clothing erection erection_under_clothing genitals jockstrap male muscular muscular_humanoid muscular_male not_furry pecs penis red_eyes solo sweat teeth underwear elfein konami yu-gi-oh! obelisk_the_tormentor duel_monster humanoid monster|6396052740