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3:4 animated animated_gif anthro balls black_body black_fur black_hair bodily_fluids dripping duo equid equine eyewear fellatio fur genital_fluids genitals glasses grey_body grey_fur hair horse humanoid_genitalia humanoid_penis licking male male/male mammal oral penile penis penis_lick precum precum_drip pubes sex short_playtime tongue tongue_out yonsia