FURVERT!

anal anal_penetration animal_genitalia animal_penis balls big_balls black_hair brown_body brown_fur clydesdale draft_horse duo equid equine equine_genitalia equine_penis erection fenn.perrox feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral from_behind_position fur genitals grass hair hi_res horse intraspecies larger_feral larger_male looking_pleasured male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male mammal mane medial_ring mounting on_bottom on_top outside penetration penile penile_penetration penis penis_in_ass plant quadruped sex size_difference smaller_feral smaller_male smaller_penetrated xavier_(fenn.perrox)