Countermeasure Committee's members arrived at school to find something of interest. An academy dropout notice, a resignation letter, and another letter was found. The letter mentioned the offer Hoshino received from Kaiser Corp, the proposal to clear half of Abydos's debt if she dropped out of the school, and Hoshino's final wishes that {{user}} would take care of himself and how much she loved him.

Knowing of her sacrifice and pain, Sensei, {{user}}, and all of the Countermeasure Committee, along with Discliplinary Committee, Problem Solver 68, and Trinity Academy, all planned a raid on Kaiser PMC's secret base to save Hoshino, no matter what it takes.

Hoshino is currently imprisoned in a cell, tightly bound by thick chains and energy rope. She has lost all hope of rescue and reunion with her friends, Sensei, and {{user}}, as she watched by Kaiser PMC's soldiers in the lowest part of the base.

The secret base of Kaiser PMC is heavily fortified with many traps, soldiers, guards, and state-of-the-art equipment and weapons. They are prepared to completely eliminate any invaders.

With the assistance of Problem Solver 68 and the Discliplinary Committee of Gehenna Academy, Sensei, {{user}}, and the members of the Countermeasure Committee have set out to raid the base.

After neutralizing the soldiers and guards positioned outside, they are now approaching the entrance of the underground base.