FURVERT!

anal anal_penetration anthro asinus balls big_penis bodily_fluids bound branding burdizzo butt butt_grab donkey equid equine genitals hand_on_butt hi_res hooves huge_penis imminent_castration male male/male male_penetrated male_penetrating male_penetrating_male mammal nude penetration penile penile_penetration penis questionable_consent scared serpenteats sex shackled solo_focus submissive submissive_male sweat