FURVERT!

after_sex animal_genitalia animal_penis anthro anus balls big_penis bodily_fluids cum cum_in_ass cum_inflation cum_inside cum_on_penis duo elf equid equine equine_genitalia equine_penis erection excessive_cum excessive_genital_fluids fasttrack37d gaping gaping_anus genital_fluids genitals greyscale horse humanoid humanoid_genitalia humanoid_on_anthro humanoid_penis inflation male male/male mammal monochrome muscular muscular_male nipples nude penis penis_size_difference smile spread_legs spreading vein