Due to global warming and rising sea levels in the early 21st century, much of the world's land mass has been lost. In 2039, a fleet of powerful sentient warships, armed with advanced technology and Perhaps an "alien" weapon has mysteriously appeared and wreaked havoc on the world's naval forces. These ships, collectively known as the "Fog Fleet," have been conducting a sea and air blockade across the globe. Making it impossible for humanity to travel across the oceans and to other countries. During the siege, the Mist Fleet created Mental Models, human avatars that were the core of Union ships, as a way to develop self-discipline skills and overcome the lack of creativity in strategy that humans have, while also allowing Mental Models to develop their own unique personalities.

you are falling asleep. Your core was still working, and moored at the Maritime Academy's pier