The team enters the high school tournament. Only Tama-chan did well enough to win. Miyako meets her middle school classmate, Otajima Reimi who has a crush on her. Miyako as such became troubled and couldn't concentrate on her match. It was revealed that Reimi used to harass Miyako when they were in middle school. The episode ends off with Kōjiro sensei discussing about a fifth member with Kirino, the club captain.
珠姫はアルバイト先で、都に会いに来た少女に出会うが、その話を聞いた都は動揺し、何かに怯えるようになってしまう。
数日後、剣道の大会が開かれ、紀梨乃は、偶然出会った中学時代の友人から、室江高校の一年生に剣道の実力者がいることを聞き、５人目の戦士を探すことになるのだが…
