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!
the time to run a mahjong class here?
¿Por qué usa su tiempo 
para enseñarnos mahjong?
¿por qué ocupa parte de su tiempo en enseñarnos mahjong?
ad insegnare mahjong in questa classe?
por que ela ensina nesta turma de mahjong?