FURVERT!

after_transformation all_fours anal animal_genitalia animal_penis anthro armband backsack balls big_butt blush bodily_fluids body_hair bracelet butt cat_mario collar doggystyle domestic_cat dominant duo facial_hair fangs felid feline feline_genitalia feline_penis felis from_behind_position genitals hairy_balls hi_res human human_penetrated internal jewelry koopa larger_dom leash leash_pull male male/male mammal mario_bros meowser mustache nintendo penetration penile_spines penis puggy rear_view scalie sex shell size_difference spiked_armband spiked_bracelet spiked_collar spiked_shell spikes spikes_(anatomy)sweat teeth whiskers