Angel with a shotgun (Phan)

There's a war going on, and the Unlisted aren't winning against The New Generation of super soldier. Dan already had no one, but losing Phil, his closest friend, hurt more and over a month later he is still mourning. Flashbacks of memories don't make the pain lessen either. But maybe being a little careless in battle may turn out to be in his favour when a guardian angel with a gun shows up to save him.