Everyone is surprised at how quick Tatsuya defeated Hattori in the duel. Tatsuya begins his work as part of the Disciplinary Commitee. Meanwhile, Miyuki starts showing more mixed emotions towards her big brother.

Mibu meets with Tatsuya at a cafe. She thanks him for defusing the brawl between her and Kirihara peacefully. She asks Tatsuya to join their kendo team. He suspects that she has an ulterior motive…

Mibu tells Tatsuya that they are planning to let the school know of their thoughts about the discrimination among the students. An open forum is held at the school regarding the treatment of Course 1 and Course 2 students. However, there is an intrusion…

Tatsuya and the others go after the intruders. They are informed that the intruders are in the library, and Mibu is with them. Will they be able to stop them and find out what is going on?