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3:4 anthro anthro_on_anthro bodily_fluids canid canine canis cigarette collar cum domestic_dog duo erection fellatio foreskin genital_fluids genitals gynomorph gynomorph/male humanoid_genitalia humanoid_penis intersex intersex/male karabiner licking male mammal oral penile penis penis_lick penis_size_difference sex small_penis tail tongue tongue_out