rule 34 anthro aroused black hair bodily fluids breasts breath duo dusky fluff ear lick equid equine female finger fuck fingering friendship is magic fur genitals grey body grey fur hair hasbro horn king sombra mlp licking magic male malefemale mammal my little pony nipple fetish nipple play nipples panting penis pink nipples purple eyes purple hair purple nipples purple penis red eyes restrained sweat tongue tongue out twilight sparkle mlp unicorn unicorn horn vaginal penetration 6400228