Mikazuki and Orga visit the leader of the ideological group 'Terra Liberionis' to resolve the issues surrounding the attacks of the 'Dawn Horizon Corps'.

Tekkadan who is now serving as a military advisor to Arbaru, is consumed with preparing the launch ceremony for the Arbrau Defense Forces. At Makanai's request, Tekkadan takes charge of security for the ceremony event.

A conflict between the rival econic blocs of Arbrau and Sau breaks out as their armies clash on the Balfour Plain.