Rule 34 Dev - 2020 2boys anthro ass avian award balls belly big_butt big_penis bird black_and_white bodily_fluids bottomless clothed clothing dresser duo erection face_fucking father father_and_child father_and_son feathers fellatio full-length_portrait furniture gay gay_sex genital_fluids genitals head_tuft holding_thigh incest leaning leaning_forward leg_grab male male/male mature_male monochrome mostly_nude navel oral parent parent_and_child penile penis portrait precum rear_view sex shirt sitting sketch spread_legs spreading standing stork talons thick_thighs thigh_grab thrusting topwear trophy tuft wide_hips xleepy yaoi|4888921344