Dragon Party (4) Tenryu, Uchuu ni Ari

is the fourth volume of the Dragon Party light novel series, written by Yuji Nakazato and Illustrated by Daisuke Tsujita. It was released under the Dengeki Bunko Imprint in April 2002.

Synopsis
The plot of President Hoshikai to eliminate "Asimov contraindications" from all robots and slaughter all humankind was stopped by the activities of the true fish. However, Shaw, who had infiltrated the earth, robbed the state-of-the-art Tiamat-class ship "Tenryu", and Rurika was abducted as its core part. On the other hand, the five Tiamat-class space battleships that finally succeeded in launching were devastated by the enemy fleet and "Tenryu", and the only force left for humankind is "Kairyu". Yu and his friends challenge "Tenryu" with a sad determination. The fourth in the popular series.

(source: Amazon JP - Translated)