Rio Kastle

Rio Kastle, known as Rio Kamishiro in the Japanese version, is a character appearing in the Yu-Gi-Oh! ZEXAL anime and the younger twin sister of Shark.

Though only she has been seen through backflashes, it has been confirmed that Rio will appear as a regular character for Yu-Gi-Oh! ZEXAL II.

Appearance
Rio has dark red eyes, like her brother she has pale skin and dark purple hair.

Her attire includes a white jacket over a purple shirt. (Rest of the Attire is currently unknown)

Biography
Rio once Dueled Quattro who was operating under the orders of Vetrix. He played a card, "Flaming Hell Blessing", that set the surrounding area on fire. She was critically injured in the blaze, though Quattro carried her to safety, his face being scarred in the process. She was hospitalized.

In order to help his sister, Shark entered the National Duel Circuit and made it to the final match against Quattro. In the break room, Quattro set his Deck up to fall on the floor, causing Shark to see some of its contents. This caused him to be disqualified.

Deck
It is unknown to what sort of Deck she possessed and no cards were shown, yet.