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—
If I can be the best in 
the world at something,
Si puedo ser la mejor del mundo en algo,
Si puedo ser la mejor del mundo en algo,
Se eu posso ser a melhor do mundo 
em alguma coisa,