Light Novel Volume 18

Outbreak Company Moeru Shinryakusha 18 (アウトブレイク・カンパニー 萌える侵略者 18) is the eighteenth and final book of the Outbreak Company series.

Summary
A fantasy world connected to Japan with a mysterious "hole" "Sacred Eldant Empire". The different world that was only Japan 's secret was known to the United States as a result of the fuss about the space transition of the aircraft carrier. To the full - scale armed US military thrusting, Japan and Eldant are just confused. Furthermore, the ties between the different world and Japan are now going to be cut off. Members of "AmuTech" that was founded to make otaku culture penetrate into the other world are also being asked to return to Japan, and the feelings of Shinichi are not gentle. In such circumstances, special forces of the US military, trying to get super technology of a different world at any rate, came up with an extrajudicial strengthening measure. What was aimed at was Petralka! Shinichi attempts the last resistance against the military group of Maji modern world highest peak. Is there anything waiting after that last battle? Popular series, it is finally a climax!!

Trivia

 * The ending is Shin'ichi and crow stay in Eldant after sending the US troop and the remaining Japanese troops home. Shin’ichi confessed to Myucel along with Hikaru to Elbia
 * Then we cut to Japan some years into the future it has become a satellite state of China after relations between Japan and America began to deteriorate, leftist Diet members rose to prominence quickly selling Japan to China and have banned all anime, manga, and doujinshi and hunting down Otakus
 * Shin’ichi, Myucel, Hikaru, Elbia, and Minoir return to Japan as invaders

Quotes
“Shinichi-sama, is something the matter?” “N-Nothing at all, Myusel! Let’s just keep going, dead ahead!” I told the concerned butt—I mean, Myusel!—and tried to smile as encouragingly as I could. It was the only thing I could do.”