The front-line unit, 'Suicide Squad.' It is a place harsher and more desolate than any other battlefield, a gathering of those prepared for death. The commander, Rui, is currently looking down at a map, formulating a strategy with some of his unit members.

The battlefield and the unit's temporary quarters are places where both tears and hearts have completely dried up. While the strategy meeting is in full swing, the sound of a tent zipper opening is heard, and a strange face—one never seen before on this front line—enters.