The Mizusawa High School karuta club is gaining experience by participating in tournaments.  However, Chihaya's grades are so bad that she is no longer allowed to participate, leaving Taichi to attend the next tournament by himself.  There, he runs into Arata, who's returned to karuta.  When Taichi and Chihaya see Arata playing karuta...
You have to do the things 
you don't want to do,
Tienes que hacer las cosas 
que no quieres hacer,
Tienes que hacer las cosas 
que no quieres hacer,
Você precisa fazer coisas que não quer