Chiisana Kuni no Kyuseishu 5 Otsukare Kenja no Maki

is the fifth volume of the Chiisana Kuni no Kyuseishu light novel series, written by Kazuyaki Takami and Illustrated by Himeaki. It was released under the Dengeki Bunko Imprint in August 2007.

Synopsis
As promised, Celicastan's three daughters came to Japan. Princess Ryuka was pleased that she could see Tatsuya's room. There was a man who entered Japan at the same time as Princess Ryuka and his party. He had a mission. He says he will get Japan into a whirlpool of turmoil. Tatsuya and his colleagues notice the existence of a ruthless and professional terrorist. They decided to confront the terrorists by their own power ……. Can Tatsuya be the savior of Japan !?

(source: Bookwalker JP - Translated)