Rule 34 Dev - 2boys alpha_toothless anthro ass balls big_balls big_penis black_body black_claws black_scales blue_body blue_fur blue_glow bodily_fluids claws collar cum cum_inside cum_on_butt dipstick_ears dragon dreamworks duo feral fur furred_dragon gay genital_fluids genitals green_eyes grey_body grey_fur hand_on_head how_to_train_your_dragon justmegabenewell knot knotting male male/male male_only multicolored_ears penis pleasured_face scales senky sex size_difference tapering_penis thrusting toothless yaoi|5014768608