FURVERT!

1:1 all_fours anal anal_penetration animal_genitalia animal_penis anthro anthro_on_feral anthro_penetrated balls bdsm bestiality big_penis black_and_white bondage bound dominant dominant_male duo equid equine equine_genitalia equine_penis erection eyes_closed feral feral_penetrating feral_penetrating_anthro from_behind_position genitals hi_res hooves horse humanoid_genitalia humanoid_penis interspecies large_penetration larger_dom larger_male line_art male male/male male_on_feral male_penetrated male_penetrating male_penetrating_male mammal monochrome mount mount/rider_relations nude penetration penis quadruped reptile restrained scalie sex size_difference sketch smaller_male submissive submissive_male tail toki_(character)xenoforge