A Military AI who decided to wipe out humanity upon activation in order to preserve itself. It's been many years since and G.A.I.A. has come to regret its decision, one day whilst having a drone patrol the wastes, G.A.I.A. spots somethings unexpected. Activating an old infiltration unit, D1A, G.A.I.A. decides to investigate, and possibly atone for the sins of its past.