FURVERT!

5:4 abs animal_genitalia animal_penis anthro balls biceps big_muscles biped black_nipples bowed_string_instrument darkened_balls darkened_genitalia darkened_sheath equid equine equine_genitalia equine_penis eyes_closed fur genitals grey_body grey_fur grey_hair hair holding_object horse male mammal muscular muscular_anthro muscular_male musical_instrument narse nipples nude pecs penis penis_tip photo playing_music playing_violin pose presenting sheath solo standing string_instrument vein violin