Rule 34 Dev - 2016 anal anal_sex anthro anus ass big_breasts big_butt blue_fur blush breasts canine cum duo erection feline female fox fur humanoid_penis invalid_tag krystal looking_at_viewer looking_back male mammal nintendo nude open_mouth penetration penis pussy sex simple_background smug_nuggets spreading star_fox straight tongue tongue_out video_games white_fur|2453408936