Saki doesn't understand why she was taken to play mahjong but that's where Saki and Nodoka met. Nodoka wins but questions Saki's playing style so she asks for another game.
In exchange, I have a favor to ask of you, Miyanaga-san.
بالمُقابل، أودُّ أن أطلبَ منكِ
 معروفاً يا مياناغا-سان
A cambio, tengo un favor 
que pedirte, Miyanaga-san.
Je voudrais juste 
te demander un truc en échange.
In cambio però, devi farmi un favore, Miyanaga.
Em troca, quero pedir um favor, Miyanaga.