The one who Hisa had dubbed the "Star of the camp" is Yumeno Maho.
Saki is awed as Maho shows off her ability to copy the play style of all of the players of the Kiyosumi mahjong club.
I wish I had known you 
were into mahjong earlier.
ليتني عرفتُ أنكِ مهتمّة بالماجونغ مسبقاً
Ich wünschte, ich hätte früher gewusst, 
dass Nodo-chan gerne Mahjong spielt.
Desearía haber sabido antes 
que te gustaba el Mahjong.
Ojalá hubiera sabido antes
que te gustaba el Mahjong.
C’est dommage que 
je n’aie pas su plus tôt
Cavolo, peccato non aver scoperto prima 
che ti piaceva il mahjong, Nodoka.
Pena que não descobri antes
que você gostava de mahjong.