FURVERT!

absurd_res animal_genitalia animal_penis balls belly_slapping_masturbation black_balls black_body black_fur black_mane black_penis black_tail bodily_fluids day dust equid equine equine_genitalia equine_penis erection fence feral fur genital_fluids genitals grass hi_res horse huge_filesize male male_feral mammal mane medial_ring open_mouth outside penis plant precum quadruped red_penis scarlanya side_view sky solo tail tree