Rule 34 Dev - 3boys animal_genitalia black_skin bodily_fluids claws cloaca cloacalingus dragon dreamworks erection feral gay green_skin hi_res horns how_to_train_your_dragon long_neck male male_only night_fury nude oral orange_skin penis red_skin scalie stardragon stardragon102 text tongue toothless watermark western_dragon yaoi|3775497984