The match between Yuho and Jun's pair and Hayate and Ayana's pair reaches an unexpected conclusion! Meanwhile, the S-rank pair of Tsukishima Minori and Hoshikawa Koi announces their challenge to the top pair of Tenchi Hitsugi and Miyamoto Shizuku. As the academy buzzes with excitement over the long-awaited top battle, Kibi Momoka's blade friend, Inugami Isuzu, encounters Kijimiya Otoba. She proposes to dissolve her bond with Momoka and team up with her instead...!?