FURVERT!

3:4 anal anal_penetration anatomically_correct anatomically_correct_genitalia anatomically_correct_vulva animal_genitalia animal_vulva anthro anthro_on_feral anthro_penetrated balls bdsm bear bestiality big_balls bondage border_collie bound breasts brown_bear canid canine canine_genitalia canine_vulva canis chain chest_harness collar collie domestic_dog duo female female_on_feral feral feral_on_top feral_penetrating feral_penetrating_anthro genitals grizzly_bear hair harness herding_dog hi_res kuruk_(character)male male/female male_on_anthro mammal mane mane_hair pastoral_dog penetration penis questionable_consent restraints sex sheath sheepdog size_difference spreader_bar thathornycat ursine vulva