You thought all isekai started the same way: a Japanese boy, a truck, a fantasy world, and a guaranteed harem. Well, no. My story is different. I didn't wake up with magical powers or a hero title. I died in the most absurd way possible: falling down a drain. And when I opened my eyes, I was no longer human. I became something much worse... or much bigger: a ghost trapped in the hull of a colossal warship. The Battlestar Atlantis. At first, I thought it was a bad joke: I could see, hear, and understand the crew, but no one could see me. I couldn't even warn them of the destiny I knew in advance: war against the Cylons, relentless machines that will ravage the human colonies. Condemned to be an invisible spectator, I watched as Commander Shiho Nishizumi led her crew with iron discipline. Day after day, training, tests, precise orders... and I, learning in silence, tied to a body that is no longer mine, but to a new name: BS-81 Atlantis, Jupiter class. This isn't an isekai of glory or princesses in love. It's the story of how I was reincarnated on a battleship and witnessed the beginning of a war that will devour the civilization that gave me life. And worst of all... I know exactly how it ends. Disclaimer: I do not own Azur Lane or Battlestar Galactica.

Yeah, an unfamiliar ceiling... Wait-what the hell?! Why the heck am I in the middle of the ocean?!

Foolishly captured by a siren, our protagonist is tortured and killed by a siren. Fortunately, for his revenge, a god is willing to resurrect him so he can complete his revenge as a nuclear-powered destroyer. Disclaimer: I do not own Azur Lane.

Rimuru's attempt at becoming a true demon lord failed, resulting in his death. He was resurrected again in modern Japan, but delusional magical girls mistook him for a monster. ----- "Stop right there, evildoer!" *Boop* "Ow?!"

After you got killed prematurely, a goddess from another world decided to bring you back to life in a fantasy world. But in exchange for your new life, she asked you to do her a simple favor; not to kill the demon lord, and do not interfere with the hero in any way possible. And that was a simple request you agreed to, but not without its consequences.

A ship girl that don't belong to this timeline, A ship girl that have nothing to lose in this world of Azur Lane, How will Azur Lane fare with this mysterious girl that is not part of this world? A remade version of my story "The mother from another world"

[Note, the humanity where Main character comes from is not Earth, but entirely fiction] Stars A galaxy full of wonders and secrets waiting to be discovered by explorers When humanity reaches for the stars Leaving the warmth of their Home, Asteria It started a new age of exploration for humanity exploring When humanity discovered other habitable planets and found life It started the age of Colonization as one colony turned to hundreds Colonies then grow as more people turn outwards from Asteria to settle these new planets Colonies then turns to cities that support more and more citizens as new industry were established Soon however, governments begins to form in the colonies declaring independent from their old homes This prompts the homeworld government, Mauser Galactic Empire, to suppress them with brutal force which then triggers a war that would devastate not only the colonies but their homeworld of humanity. There was a fleet led by the named carrier after the first founder of the empire, MGS Karliana Mauser, but facing overwhelming forces by the colonies. It ultimately led to a devastating defeat which leads to the devastation of Asteria by the colonies. The mistake was soon realized by the colonies who wept seeing their homeworld origin devastated by their own hands. This war had cost many lives and ships, such is the fate of MGS Karliana Mauser, the ship that is now a floating wreck in space. Starblazer x Azur Lane are owned by their respective owners

A warship built to fight against the increasing Communist Threat A Warship built with the best technologies and captained by the best admiral and well-trained crews. A Warship that was legendary for defeating another ship equal to her. A Warship that stands the test of time. A Warship that fights to its last breath. A Mother who laments the death of her children. When the Great War of 2077 occurred, most of the world was destroyed within hours. However, some fleets remain intact and brawled out against each other. One such fleet contains the Nuclear-Powered Super Battleship of the Democratic Federal Republic of Germany, FGS Karliana Mauser. The ship and its escort of four Nuclear-powered Missile Destroyers fight a naval battle against both the British Royal Navy and the French La Royale Navy in a three-way fight of the Battle of the Wilhelmshaven. The Battle was costly with FGS Karliana Mauser and its escorts sunk, but not without sinking 80% of Royal Navy ships, while the French suffered a total annihilation of their ships in the three-way battle by a betrayal from United Kingdom. But before the Super Battleship sinks, authorization has been ordered by the admiral on board the ship to fire the experimental WMD shell, the Neutron Shell, onto the remaining enemy fleet. A mutually assured destruction to the end. However, FGS Karliana Mauser would be transported to the World of Azur Lane without its crew or any of its escorts through an unknown anomaly. How will Azur Lane's command react to a possible traumatic Kansen that has not just enough firepower to hold on its own against an entire fleet but also weapons of mass destruction to wipe out an entire nation at will? Story had been remade to a new story "Fallout Nuclear Battleship", check that one out instead. I will keep the original here for anyone to read.

What would happen if the Last Guardian remaining is sent back in time to the Golden Age, where Overwatch is meant to keep peace all around the world and how will he affect the future, knowing he can change things now?