1940: Europe at the beginning of the Second Neuroi World War. The allied armies of humanity, under pressure from the firepower of Neuroi battle groups, were forced into a desperate withdrawal. Squadron Leader Constantia Harvey of the Britannian Royal Air Force lost her friend Christina York in the middle of a battle and devoted herself in her sadness to a battle with no end in sight.

1940: Europe at the beginning of the Second Neuroi World War. The allied armies of humanity, under pressure from the firepower of Neuroi battle groups, were forced into a desperate withdrawal. Squadron Leader Constantia Harvey of the Britannian Royal Air Force lost her friend Christina York in the middle of a battle and devoted herself in her sadness to a battle with no end in sight.

At the beginning of June, a squadron led by Squadron Leader Harvey was preparing to sortie as part of the allied forces' Operation Dynamo. However, they were attacked by a number of small Neuroi craft, and all were lost, save Harvey and her subordinate Flight Sergeant McBein.

At the beginning of June, a squadron led by Squadron Leader Harvey was preparing to sortie as part of the allied forces' Operation Dynamo. However, they were attacked by a number of small Neuroi craft, and all were lost, save Harvey and her subordinate Flight Sergeant McBein.

Constantia sent Anna ahead in order to focus on exchanging fire with the small Neuroi craft, in turn becoming the rear guard. Even against the two small Neuroi... On June 5th, Operation Dynamo came to an end, and the curtain fell on the Battle of Gallia. However, at the same time, it was rising on the Air Force in the Britannian mainland as they busily prepared for the Battle of Britannia.