Kuro Matsumi

As a prominent protagonist in the manga Saki Achiga-hen episode of side-A, this second-year student at Achiga Girls' Academy carries a deep devotion to her disbanded mahjong club. Serving as the club's former top-ranked player, she diligently maintains the clubroom in a heartfelt attempt to welcome members back. Located in Nara Prefecture, she shares a close familial bond with her older sister, Yuu Matsumi, while navigating her journey through the competitive world of mahjong.