Rule 34 Dev - anal anal_sex anthro anus ass back_muscles backsack balls bovid buttplug buttplug_in_ass buttplug_insertion caprine genitals heart_symbol horn iliekbuttz male mammal musk musk_clouds object_in_ass penetration plug_(sex_toy) plug_insertion sex_toy sex_toy_in_ass sex_toy_insertion sheep solo spread_butt spreading thespel|13274243128