Chihaya, Taichi, and Arata visit the local Shiranami Karuta Society and meet the chairman, Harada, and a member who's their age, Kinashi Hiro (Retro-kun). When Harada sees them playing against Retro-kun in a team Genpei match, he realizes Chihaya's talent and invites her to join. After Harada tells Chihaya that learning the poems is like making 100 new friends, she begins to realize her own dream.

The national tournament has ended, and the members of Mizusawa's karuta club have established some individual goals. Taichi and Porky need to reach Class A. Kana-chan and Desktomu-kun need to start playing in tournaments. And Chihaya is practicing for the East qualifier. However, Dr. Harada suddenly tells Chihaya to stop taking cards with her speed, and she has to rethink how she plays karuta.