Toshokan Sensou EP4 - Retrieve the Library Force Commander

Kasahara and Inamine are taken hostage by a pro-MBA faction known as the Bakushukai, resulting in a hostage rescue operation planned by Ryusuke and Dojo. Kasahara manages to inform them of her location by a hidden message and the removal of Inamine's prosthetic leg. Kasahara reveals to Dojo that she will not quit from the LDF and plans to be way better than him. However, things do not look too good for Kasahara when she is given a letter from her parents who plan to visit her at the base.