Kiyosumi Koukou Mahjong-bu

 (清澄高校麻雀部) is a unit formed as a tie-in with the drama adaptation of the manga Saki. Its members play the five main characters in the drama.

Members

 * Hamabe Minami
 * Asakawa Nana
 * Hirota Aika
 * Yamada Anna
 * Furuhata Seika

Singles

 * [2017.02.01] Kimi ni Waltz / NO MORE CRY (きみにワルツ／NO MORE CRY)