Azur lane: Hunting the Ghost of the Sky [On Hold]

Prologue

In 2017, the world was being invaded by the sirens, resulting millions dead, then all World's governments puts aside their differences and join forces to fight the invaders. As the war rages on, humanity is slowly being pushed back by the sirens and are now desprate on finding ways to defeating them.

At one time some special forces from the United Eagle States (USA), Royal Kingdom (UK) and the Northern Federation (Russia) managed to break into a siren facility to gather some infos and destroy the place. As they were continuing on their mission they managed to find a storage filled of glowing blue cubes that is estimated to thousands.

They managed to get all of them and carried them to their choppers before they detonated the facility. After that mission, the scientists have been working all around the clock to study and researching about these cubes, they then experimented it on a museum ship of IJN Mikasa. The cube then began to glow brighter and brighter until its starts shaping itself into a person. When the light dies down, they see a woman with brown hair and horns on each side laying on the floor.

As the woman wakes up, they begin asking her questions and examining her. 

At the same time in United Eagle States, Royal Kingdom and Northern Federation, they also made their own first shipgirls such as Texas, Queen Elizabeth, Warspite and Avrora.