2017all_foursanimal_genitaliaanimal_penisballsbodily_fluidsclose-updigital_drawing_(artwork)digital_media_(artwork)equidequineequine_genitaliaequine_peniserectionferalfurgenital_fluidsgenital_focusgenitalshi_reshorsemalemale_feralmammalmedial_ringnudeoutsidepenisprecumshadowsheathsimple_backgroundsolostandingveinveiny_peniszepiwolf