FURVERT!

absurd_res animal_genitalia animal_penis anthro balls biped brown_body brown_fur clothing digital_media_(artwork)equid equine equine_genitalia equine_penis erection fur genitals hair hands_behind_head hi_res horse kizion_ksharr long_hair male mammal medial_ring multicolored_penis nipples panties penis solo two_tone_penis underwear vein