Ako, Shizuno, and Nodoka were best friends in middle school, often going to Achiga Girls’ School to play Mahjong.  But as time passed, they saw each other less and less of each other.  That was until Shizuno saw Nodoka win the middle school Mahjong Singles tournament.  She is determined to meet her friend again, at the inter-high mahjong tournament!
For mahjong, Ada Middle School 
is the strongest around here.
والمدرسة الإعدادية هي الأنسب للماجونغ
por aquí la secundaria Ada 
es la más fuerte de mahjong.
Por esta zona, el instituto Ada es el mejor...
Le collège Ada 
est le meilleur du coin en mah-jong.
Se si tratta di mahjong, la Ada è senz'altro
 la scuola più forte dei paraggi.
O clube de mahjong do Colégio Ada
é o mais forte da região.