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.
there's a rule that you can't 
have an exchange student
gibt es eine Regel, dass du keine Austausch-Schüler,
hay una regla que prohíbe que 
un estudiante de intercambio
hay una regla que prohíbe que 
una estudiante de intercambio
c'è una regola che vieta di schierare
 una ragazza straniera
a regra proíbe estudantes de intercâmbio
de assumir a primeira posição.