Rule 34 Dev - anthro clothing duo female fur hair long_hair male simple_background sleeping blakethehedgehog16 sega sonic_the_hedgehog_(series) hiro_matsuki shina_matsuki eulipotyphlan hedgehog mammal 2016 digital_media_(artwork) hi_res sketch brother_(lore) brother_and_sister_(lore) sibling_(lore) sister_(lore)|4315748290