rule 34 2019 anal anatomically correct animal genitalia animal penis anthro anthro on feral black nose blue fur blue highlights bodily fluids bolt character bolt film canid canine canine penis canis claws closed eyes collar collar tag cum cum in ass cum inside detailed background digital media artwork disney domestic domination duo ejaculation feral fur gay genital fluids german shepherd hair hair highlights herding hi res hielowolf inside internal knot knotting lying male malemale male on feral male only mammal markings missionary position nude on back orgasm pastoral penetration penis pink penis regal fulton sex size difference small dom big sub smile spread legs spreading teeth vein veiny penis white fur wolf yaoi zoophilia 3329865