"We never imagined angels will grace us in these desolate rainforests. Perhaps we need a mental evaluation. But at this point... this war has gotten us so numb, a bunch of teenage angels appearing on Vietnam out of nowhere is nothing but just another bullshit thrown at us"

After a crushing defeat in battle during the UFE Civil War, the 3rd Mechanized Battalion of the Provisional Government of the United Federation of Earth retreats to FOB Liberator. But on one day, a strange anomaly appeared near the FOB, teleporting the FOB and a nearby arms factory straight to a city consumed by chaos.