Rule 34 Dev - 1boy 5_fingers abs animal_genitalia animal_penis anthro apple-faced balls biceps biped ear_piercing equid equine equine_genitalia equine_penis erection eyebrows facial_piercing fingers flared_penis genitals hi_res horse horse_penis horsecock huge_cock kentaro_(velvyami) lip_piercing male male_only mammal medial_ring muscular muscular_anthro muscular_male nipple_piercing nipples nose_piercing pecs penis piercing solo tail vein veiny_penis|10189952112