FURVERT!

2016 animal_genitalia anthro balls black_balls black_sheath brown_body brown_fur equid equine equine_genitalia finger_in_sheath fingering fingering_self flaccid fully_sheathed fur genitals green_eyes grey_background hair head_tilt hooves horse i-psilone male mammal mane masturbation penis penis_tip pink_penis sheath sheath_fingering sheath_play signature simple_background solo spread_sheath white_body white_fur white_hair white_mane