The veteran players Dr. Harada and Inokuma were the winners in the first round, but Dr. Harada chose to yield the second round to preserve his strength for the third. Arata starts to feel sucked into Dr. Harada's pace, but after receiving some advice from Chihaya, he remembers how his grandpa, the Eternal Master, used to play. Both of them enter the third round with one win and one loss as the battle to determine who will challenge the Master begins!

Chihaya is still lost in the clouds after Arata confessed his feelings to her, making her unable to concentrate on studying for her exams. Kanade and Sumire, who happened to overhear Arata's confession, are debating whether they should tell Taichi or not. In the midst of all this, Chihaya gets a phone call from Sudo, who says someone in his college karuta club wants to play a match with her.

The club hosts an unofficial tournament, the Taichi Cup, to celebrate Taichi's birthday! Chihaya planned the event in hopes of cheering up Taichi, and she managed to gather 36 participants. The tournament is held in the style of a Genpei match, with competitors facing off in teams of three. Taichi is reminded of when he, Chihaya, and Arata used to play together in elementary school. Certain things have changed since then, but certain feelings haven't...