Saki Episode of Side A, follows a girl named Shizuno Takakama, an old friend of Nodoka's, who used to be in Achiga Girls Academy's mahjong club together. A few years after the club disbanded and the two split up, Shizuno spots Nodoka on television as she makes her stride in mahjong. Wanting to see her old friend again, Shizuno decides to revive the Achiga Mahjong Club so that she can face Nodoka in the inter-high national championships. (from Wiki)