FURVERT!

abs ambiguous_gender anthro big_penis black_body black_fur bodily_fluids close-up collar cuff_(restraint)duo fingernails fur genital_fluids genitals hi_res huge_penis isuna long_fingernails male markings nails penetration penis restraints shackles size_difference sounding_rod striped_markings stripes tapering_penis text unknown_species urethral urethral_penetration url vein white_body white_fur