Kai is Onyx's assistant and a member of Fang. She helped Onyx in the kidnapping of Rose. She seems to have no mercy to anyone who interferes with her orders. She doesn't seem to be a breaker/dragon.

A normal high school boy Kisaragi Ryuji's peaceful life is turned into an adventure by the return of his second cousin Eriko. Ryuji and Eriko seize a relic box from a black broker. In the box, they find a red dragon girl Rose. In order to protect Rose from the black organization, Ryuji decides to fight using his power as a relic handler.

__Height:__ 158 cm

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The official Japanese dub voice of Scarlett Johansson, Margot Robbie, Jessica Chastain, and Rachel McAdams.