FURVERT!

abstract_background animal_genitalia animal_penis anthro aoru balls biped blood blood_from_penis bodily_fluids brown_body brown_fur castration cock_and_ball_torture cum equid equine equine_genitalia equine_penis erection eunuch exposed_testicle fur genital_fluids genital_mutilation genital_scar genital_torture genitals gore gore_focus green_eyes hi_res hooves horse kneeling looking_down male mammal masturbation medical_instrument mutilation nipples open_mouth orchiectomy_scar orgasm penile penile_masturbation penis scalpel scar scientific_instrument severed_balls severed_body_part severed_genitals simple_background solo spread_legs spreading surgical_instrument unguligrade vein veiny_balls wounded