Zessei Shoujo Defensol (4)

is the fourth volume of the Zessei Shoujo Defensol light novel series, written by Maki Masato and Illustrated by Kazuyuki Yoshizumi. It was released under the Dengeki Bunko Imprint in November 2006.

Synopsis
"Shin. See you tomorrow." Shin and Yuina make a fuss about preparing with their classmates and friends ahead of the school festival the next day. Even in their busy schedules, they feel the importance of peaceful days with each other. Today will surely lead to tomorrow. So they were convinced. see you tomorrow. See you tomorrow as usual-but the collapse of the "this world" begins, tearing apart their unwavering feelings. Friends who fall down one after another in a fierce battle. Shin and Yuina run through the city of rubble in search of each other. The whereabouts of their feelings, the whereabouts of the endangered "this world" !? The battle action between the "king" and the "guardian" is complete here.

(source: Bookwalker JP - Translated)