![Yuuko Mase](https://cdn.noitatnemucod.net/thumbnail/400x400/100/7e01244a894e4cb5ecf1a49966611ace.jpg)
Yuuko Mase
真瀬 由子
Yuuko Mase is a third-year student at Himematsu High School in South Osaka and a supporting character in the manga "Saki."
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Saki: The Nationals
Supporting (Role) TV
![Yoshimura, Haruka](https://cdn.noitatnemucod.net/thumbnail/100x100/100/6cbbdc64ebaeca1334fc6f914101109f.jpg)