The Principality of Gallia, a small neutral country between two superpower nations, suddenly faces invasion at the hands of the Empire. In the face of an overwhelming military power, the Gallian army has lost all hope. However, a ragtag volunteer militia has risen up against all odds to fight off the invading Imperial Army! Through various situations born of the extreme nature of war, this large-scale strategy RPG depicts themes such as living life to the fullest and the importance of human relationships.