A Carrier Strike Force that consists of 11 Vessel that belongs to America, Britain and Japan was suddenly transported to another world without notice. The ships found themselves to have human body, to solve the mystery of them being human and they e...
At the age of Sail and exploration, Sirens are already in this world conducting some reconnaissance. They become a part of myth or legend like Mermaids and Krakens of the Sailors who venture to the unknown vastness of ocean.
The Sirens thought on humanity as beings who live in war, as they look at human history of conquest and exploration. They scheme to invade the world, as they saw humanity tear itself apart and take it when they were unprepared and devastated by their own wars.
In 1900 Sirens invaded the world with a small invasion force, as humanity was pushed back to their shores and inland. At the first days of the conflict the nations with mediocre Navies goes down first along with cities and capital. Hundred thousands of lives perished in the initial attack
With their powers of hypnotism as they hypnotize all the men, and orders them to kill their families and friends or any form of life. It was also followed by hysteria that everyone is under Siren hypnotism and racism that caused thousands of Colored people died.
Humanity fought back with its full might. It was a bloodies war in humanity's history has fought. Alliance was formed by Nations with wealth and standing Navies. The Alliance was led by the Number 1 Navy at the time, the Royal Navy.
As the Siren were pushed-off at the shores and to the ocean. It was a victory, a bloody victory. Little that they know it was only the beginning of the suffering, as Sirens only watches for their next response.
The flaws of Siren invasion are their reconnaissance are centuries old. The early 20th Century Human technology manages to stand a chance against their 'advance' weaponry and sloppy tactics.
Naval Technology improve by a large margin as the result 1st Human Siren War. Warships construction and Naval Gunnery advanced by decades ahead. But the ship design still stuck on the principles of more cannon sticking on each side like the French Pre-Dreadnoughts Warship design.
Many of the Nations with wealth and knowledge about Shipbuilding starts building new series of Warship that differs from the traditional design and focused on fire-power and efficiency. Soon after some nations followed the same principles.
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In 1905 An Unknown Woman with a goddess presence and angelic appeared out of nowhere and gives humanity a Gift that could help them fought back against Siren invaders. They called this woman a "Guardian" and gift as "Wisdom Cube".
The Nations that Receive the Gift were, Royal Navy, Eagle Union, Irish Orthodoxy, Iron Blood and Sakura Empire. The Factions that received the Guardian's Gift created the Azur Lane Alliance and build the Main Base of operation at Brussels, Belgium.
Within a year many Nation or Faction joins Azur Lane like Sardigna Empire, Northern Empire, Dragon Empery and Maple Monarchy. The Azur Lane Main Base in Belgium become the center of Wisdom Cube research and become the main producer of Wisdom Cube in the whole world.
