Kazuki Kurebayashi

Kazuki Kurebayashi (紅林 香月) is Yuzuki Kurebayashi's twin brother. He is one of the few non-Selectors to know about WIXOSS' secret.

Appearance
Kazuki has black hair up till his sleeve and golden eyes. He also occasionally tied his hair on its back.

Personality
Kazuki has a very friendly personality and often helps his sister and Rūko with the game, which he understands quite well because he played before knowing about WIXOSS' secret. Kazuki cares a lot about Yuzuki this was seen in episode 2 where he met Momoko to meet a dealer willing to trade for Adamasphere in order to help Yuzuki improve her deck.

Background
Kazuki is a twin. He goes to middle school with his sister. He introduced Yuzuki into the game and gave her the special deck, which came with Hanayo.

Yuzuki Kurebayashi
Yuzuki is Kazuki's twin sister, however, he is unaware of Yuzuki's feelings.