Rule 34 Dev - animal_genitalia animal_penis anthro armpit_hair balls bench biceps biped body_hair equine_genitalia equine_penis erection genitals hair looking_at_viewer male mane muscular muscular_anthro muscular_male nipples nude outside pecs penis sitting smile solo cottongryph asinus donkey equid equine mammal 2020 digital_media_(artwork)|9475366495