Suddenly, a fleet of ships with mysterious super-weapons called the "Fleet of Fog" appeared all around the world. Humanity didn't have the technology to fight such a fleet, so they were driven out of the sea...
Seventeen years after the battle, for some reason, Gunzou Chihaya and his crewmates aboard the I-401 and the personification (Mental Model) of the I-401, Iona, started fighting the Fleet of Fog...

[hr]Links:
[*][url=https://twitter.com/nabeatama]Authors' Twitter[/url]
[*][url=https://www.animenewsnetwork.com/encyclopedia/anime.php?id=15359]Anime on ANN[/url]
[*][url=https://www.animenewsnetwork.com/encyclopedia/anime.php?id=16333]Recap/Remix Movie on ANN[/url]
[*][url=https://www.animenewsnetwork.com/encyclopedia/anime.php?id=16741]Movie 2 on ANN[/url]