Rule 34 Dev - accessory anthro areola armpit_hair biped bodily_fluids body_hair brown_body brown_hair chest_hair clothing flexing grin hair headband horn looking_at_viewer male muscular muscular_anthro muscular_male nipples one_eye_closed pecs smile solo sweat underwear vein veiny_muscles white_clothing white_underwear wink wristband niku_18 bovid bovine cattle mammal 2021 alternate_version_at_source dated hi_res|12745779690