She wears a long-sleeved vertical-striped crop top with a black capelet around her shoulders and black gloves on her hands. Below her exposed midriff is a lowleg black skirt, vertical-striped thighhighs and black shoes with a star on the top.
Shion is a smug, cheeky brat ("kusogaki") who speaks bluntly without the usual politeness/consideration associated with the Japanese language. While she wants to be seen as an adult, but thanks to her childish appearance and mannerisms, all attempts by Shion to appear adult-like end up looking very silly.
Shion is usually paired with Minecraft neighbor Minato Aqua, the dispute between the two resulting in Shion's house being partially destroyed and then sloppily patched up by Aqua. Another is the formerly popular "Majigumi" Trio where Shion is paired with Aqua and Ayame.
A random self-proclaimed child (though she is probably an adult) who appears around the Demonic-Realm Academy. She calls herself a highborne black magician (probably). She can barely say her greeting, “Hellshio”