FURVERT!

anal anal_penetration anthro anthro_on_anthro bdsm blakenfen bodily_fluids body_writing bondage bound bovid butt caprine character_request collar conditional_dnp cum cum_in_ass cum_inside domestic_goat dominant dominant_male duo equid equine fucked_silly genital_fluids goat horse interspecies larger_dom male male/male male_penetrated male_penetrating male_penetrating_male mammal penetration penile penile_penetration sex size_difference small_butt submissive submissive_male tally_marks western_tally_marks writing_on_butt yagi_b.