"Chihaya and the rest of the Mizusawa High Karuta Club earn their spot at the national tournament for the third time, guided to their destiny by the poems to which they prayed. Waiting for them are the indominable Fujisaki team, Fujioka East's team as led by Arata, as well as Hokuou, partners along Mizusawa's own journey. How will Mizusawa, the previous year's victors, fare against them?!
Meanwhile, Taichi goes to a TV recording and witnesses the superhuman abilities of Master Suou as analyzed by science. Just as he searches for his own ideal form of karuta, an unexpected individual appears...!
A third and final high school summer. A path blazed together with you in days past."