FURVERT!

1:1 ambiguous_gender animal_genitalia anthro anus blush bodily_fluids clothing costume cum cum_on_fur duo erection featureless_crotch fur fursuit genital_fluids genitals grinding hair korwin male mammal meldritchhorror murid murine nude null null_stimulation penis rat rodent simple_background size_difference tapering_penis usher_(rat)