Siswa sekolah menengah biasa, Ayn Abimanyu, mendapatkan sebuah notifikasi berisi waktu yang dihitung mundur dari hologram yang tidak diketahui asalnya. Sebuah teknologi yang melampaui zamannya. Ketika timer itu berakhir, sistem muncul dan menugaskannya dalam suatu misi bersama dengan empat orang lainnya. "Buru lah anomali," itulah misi Ayn.

ikuti petualangan KRI Raden Edy Martadinata di dunia azur lane dan bagaimana dia bisa kembali ke dunia asalnya

The Atlantic Ocean, 20xx. The war between the alien Sirens and humanity has been raging for decades, with the Sirens having a seemingly unbreakable death grip of Earth's oceans. With their advanced technology, the Sirens seemingly have the upper hand on all fronts. Among this advanced arsenal of technology, were small blue devices called wisdom cubes, Wisdom cubes each contained the power to make even the most delusional fantasies become a reality. But despite the sirens understanding of the universe, there is still some things they do not know.... ----- Operation Rheinübung, May 1941 The Atlantic Ocean. Two giant German warships prowl The Atlantic, seeking to change the course of a war on a scale of which the world has never seen. The first one, the Prinz Eugen, a massive heavy cruiser. And trailing behind her... The deadliest warship to ever set sail in the world. The Battleship Bismarck. The pride of a nation.... Built to lead a Warmachine, rule the waves, and lead the Kriegsmarine into battle.. The 50,000 ton beast made of steel makes all shiver before his menacing guns. Normally, this giant warship would be used to demolish British convoys, starving them of supplies, not repel an alien invasion. But fate, and history as we know it, has different plans.......