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—
There's no point in 
trying to talk to him.
No tiene caso hablarle.
No tiene sentido hablar con él.
Não dá pra tentar falar com ele.