Eagle Union...
Royal Navy...
Iron Blood...
Sakura Empire...

The military of each nation, along with the new recruits they've gained this year,
happily marched towards yet another season of diligent training.

It was in the middle of this normal routine that the Joint Military Exercise was enacted.

A select few from the nations were chosen to be a part of this grand event,
and they all began to train even harder as they anticipated the battles ahead.

But, how did this event come to be exactly?
Is it possible... there are some ulterior motives at play?