FURVERT!

2017 5:4 animal_genitalia animal_penis anthro athletic athletic_anthro athletic_male balls brown_hair countershade_torso countershading equid equine equine_genitalia equine_penis erection flaccid front_view fur genitals grey_body grey_fur hair hand_behind_head hand_on_hip hands_on_hips harness hooves horse male male_anthro mammal mane medial_ring model_sheet nipples nude nude_anthro nude_male penis rear_view sheath side_view simple_background solo standing tail themutt