![Yoko](https://cdn.noitatnemucod.net/thumbnail/400x400/100/27cb69ad0365c1ca6607e9d457f09db1.jpg)
Yoko
She's Shien's "Aya" and Byakko's older sister. She also serves as the secretary of the headmaster of the school Mayuki attends. She usually carries a harisen with her and uses it on Shien if he irritates or annoys her.
Source: Wikipedia
Source: Wikipedia
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Fantastic Detective Labyrinth
Supporting (Role) TV
![Noto, Mamiko](https://cdn.noitatnemucod.net/thumbnail/100x100/100/8d3d6ceabe9af362df3b6a04b00b77e4.jpg)