AU. With the little sisters being killed, Gilbert Alexander makes a daring move and authorizes the creation of the Little Brother Program. One of the Subjects was injured and returned to normal, he now lives in Pauper's Drop unknown to him is that he has a Guardian Armoured Angel.

At the closure of the Battle for Demeter, the captain of a Militia ship, performed a last ditch extraction effort, the only problem is, when the reactor blew the radiation altered the Jump Core and the ended up in the Full Metal Panic universe. All I can say is Heads Up.