Captain Irisdina Bernhard is a character that appears in Schwarzesmarken, the CO of the 666th and Schwarzesmarken 01. A decorated war hero of the Poland retreat, no one doubts that her exemplary leadership and tactical skills are a few of the main reasons for the squadron's continued survival and success on the battlefield. She believes in leading by example, and will be among the first to go into the fray in a battle.

The light novel series which replaced Muv-Luv Alternative Total Eclipse in Tech Gian serialization, written by Hiroki Uchida and illustrated by CARNELIAN. The story follows the East German Army's 666th TSF Squadron in its battles and political conflicts during the BETA's westward push in 1983.