FURVERT!

animal_genitalia animal_penis anthro blue_eyes blusong border_collie breasts canid canine canine_genitalia canine_penis canis catronos collie dipstick_tail domestic_dog duo erection eye_contact female foreplay fox fur genitals green_eyes herding_dog knot larger_male looking_at_another lying male male/female mammal markings nude on_back pastoral_dog penis red_penis sheepdog size_difference small_breasts smaller_female tail tail_markings teasing white_body white_fur