After making it through the fierce regional preliminaries, the Kiyosumi High Mahjong Club makes its way to the Nationals. In rapid succession, the representative schools for the other regions are decided as well and the powerful players make their way to the battleground.
Why are those four schools so special?
لماذا تِلكم المدارس الأربعة مميّزة إلى هذا الحدّ؟
Warum sind diese vier Schulen so besonders?
¿Y por qué son tan especiales 
esas cuatro escuelas?
¿Y por qué son tan especiales 
esos cuatro institutos?
Pourquoi ces quatre équipes 
sont à part ?
E come mai queste scuole sono così speciali?
Por que esses quatro colégios são tão especiais?