Rule 34 Dev - 2boys anal anal_sex animal_genitalia anthro anthro_on_feral anus ass balls black_body black_scales blitzdrachin blue_body blue_eyes blue_fur blush bulge conditional_dnp detailed_painting dipstick_ears dragon dreamworks duo eyes feral fur gay genitals grey_body grey_fur how_to_train_your_dragon knot male male/male male_only multicolored_ears night night_fury patreon pawpads paws penetration penis penis_in_ass scales scalie senky sex size_difference slit stomach_bulge tapering_penis text toothless url western_dragon white_body white_fur yaoi zoophilia|4942968992