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3:4 animal_genitalia balls big_balls biped bodily_fluids bottomwear buckteeth clothing feral feral_transformation genital_fluids genitals hi_res human_to_feral humanoid_genitalia humanoid_penis kuma male mammal mouse murid murine open_mouth pants penis precum rodent sheath shrinking size_transformation solo species_transformation teeth transformation underwear wardrobe_malfunction whiskers