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.

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?

During the preparations for the Thesis Competition, a girl is seen carrying a wireless password breaker. Erika offers to teach Leo a move that would be lethal against his enemies. Since they are taking the day off together, rumors start flying about them!

After terrorists attack the Thesis Competition, the students have to fight to survive.

The battle rages on after the attack on the Yokohama Convention Center. Students fight to make it safely to the shelter while forces duke it on the streets.