Kuro Matsumi 松実玄

Kuro Matsumi is a second-year high school student at Achiga Girls' Academy in Nara Prefecture and is a protagonist in the spin-off manga "Saki Achiga-hen episode of side-A". Before the club was disbanded, Kuro was its number one player. She kept the room clean in hopes that someone would eventually return to the club. She is the younger sister of Yuu Matsumi.