Yuuko Mase
Yuuko is a third-year student at Himematsu High School in South Osaka and shows up as a supporting character in the manga *Saki*.
She's best known for being part of the school's mahjong club, where she plays alongside the main cast. While she doesn't get huge amounts of panel time, fans often note her steady presence throughout the series and her genuine interest in the game itself.
Content compiled by AnimeList.moe from publicly available sources.
