Rule 34 Dev - anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro balls bodily_fluids cum cum_in_ass cum_inside duo erection erotic_asphyxiation genital_fluids genitals larger_male male male/male male_penetrated male_penetrating male_penetrating_male musclegut muscular muscular_male orgasm_face penetration penile penile_penetration penis sex size_difference smaller_male smaller_penetrated trunk trunk_around_neck tusks vein veiny_penis grisser hysterium bear elephant elephantid giant_panda mammal proboscidean 2009 4:3 black_and_white monochrome|16175701710