FURVERT!

anthro anus balls big_butt black_body black_fur black_hair bodily_fluids butt colored_nails equid equine feet foot_focus fur genital_fluids genitals glistening glistening_butt greek_toe gynomorph hair hi_res horse humanoid_feet intersex mammal marina_mare masturbation nails penis plantigrade precum presenting presenting_hindquarters puffy_anus thebigmansini