Character profile
Kuro Matsumi
松実玄Dragon Lord
Biography
Kuro Matsumi is a second-year student at Achiga Girls' Academy and Yuu's younger sister. Before the mahjong club disbanded, Kuro was its top player, and she continued cleaning the clubroom in the hope that someone would eventually return.
Story spoilers
According to Ako during a match with Nodoka Haramura, dora tiles gather toward Kuro, earning her the nickname "Dragon Lord." She cannot safely discard dora, however, because doing so prevents her from drawing any for several games.
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