Kana reveals her finger had become swollen during the last match, but assures Chihaya that luck is on their side as she concedes her position to Akihiro. Meanwhile, there is a lot of tension on the Fujisaki team as one of their third year players is taken out in favor of a girl named Rion Yamashiro, who had been spectating Misuzawa's match and is paired against Chihaya for the final match. Before the finals and third-play playoffs begin, Hiro visits Arata, informing him of Chihaya reaching the finals, though he remains firm in keeping to his agreed punishment. Irritated by Arata's words, Shinobu goes to spectate the finals as they begin.
Kana révèle que son doigt était gonflé lors du dernier match, mais assure à Chihaya que la chance est de leur côté quand elle cède sa position à Akihiro.
瑞沢かるた部は遂に決勝戦進出。相手は昨年団体優勝の富士崎高校。準決勝で怪我を負っていた奏ちゃんのかわりに筑波くんが出場することに。一方、3年にＡ級揃いの富士崎は、決勝をベストメンバーではなく1名下級生に入れ替えてのオーダーを組んでいた。その真意とは一体？優勝を目指して、全国大会決勝の火蓋が切って落とされる！
瑞澤花牌社終於打進決賽。決賽的對手是去年贏得團體賽冠軍的富士崎高中。小奏在準決賽中負傷，於是筑波代替小奏上場。另一方面，三年級生全部都是Ａ級的富士崎，決賽並沒有派出最佳的成員，而是換上了一名低年級生。這樣做的真正目的到底是什麼？兩校都以冠軍為目標，全國大會決賽的戰火終於點燃！
