rule 34 animal genitalia animal penis animal pussy anus balls blue body clitoris crotch breasts crotchboobs disembodied penis duo eqlipse artist equid equine equine genitalia equine penis equine pussy eyes rolling back female feral fur fur growth gender transformation genitals green eyes grimdark growth hi res human loss of dexterity male mammal medial ring nude offscreen character penetration penis pony pussy simple background story story in description tongue tongue out transformation vaginal penetration 8207623