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!
What do you mean why? 
We're in our last year of middle school.
ماذا تقصدين؟ نحنُ في عامِنا الأخير من المدرسة الإعدادية
¿Cómo que por qué? Es que estamos en 
el 3er grado de secundaria, ¿verdad?
¿Cómo que por qué? Porque es nuestro último año de secundaria.
Comment ça pourquoi ?
Come "perché"? 
Siamo all'ultimo anno delle medie.
Não percebeu? Estamos no último
ano do Ensino Básico.