FURVERT!

anal animal_genitalia animal_penis anthro anthro_on_feral anthro_penetrated anus barn bestiality bound dragon duo eastern_dragon equid equine equine_anus equine_genitalia equine_penis feral feral_penetrating feral_penetrating_anthro genitals hi_res horse internal interspecies male male/male mammal mythological_creature mythological_scalie mythology penetration penis puffy_anus quadruped scalie sex size_difference tail yagi_b._(artist)