After Chihaya hears Arata say that he quit playing karuta, she and Taichi make a trip to Arata's home in Fukui.  Once they find Arata, Chihaya is thrilled and suggest that they play karuta together again, but Arata turns her down.  He's no longer the same boy he used to be.  So Chihaya tries to learn the truth—
I immediately knew that his 
grandfather had taught him the game.
Cuando vi al cuatro ojos jugar, 
inmediatamente supe que su abuelo le enseñó a jugar.
Cuando vi al chico de las gafas jugar, 
inmediatamente supe que su abuelo le enseñó a jugar.
Soube na hora que o avô
 tinha ensinado esse jogo a ele.