Arpeggio of Blue Steel is a tV series anime that premiered in fall 2013, produced by SANZIGEN.

About the production: the story comes from a manga, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are action and sci-fi, with themes such as Full CGI, Ships, Post-Apocalyptic and Dystopian.

On AniList, Arpeggio of Blue Steel has an average score of 69%, a good score, and appears on 33,729 users' lists.

The franchise continues in or follows from: Aoki Hagane no Arpeggio: Ars Nova - Cadenza.

In the story, a Fleet of Fog loaded with super weapons suddenly appear all over the world. Without the ability to withstand this fleet, humanity was defeated and could no longer travel the seas. 17 years after the devastating naval war, Chihaya Gunzou and his friends somehow commandeer a Fleet of Fog submarine and rename it I-401. Together with Iona, they take on the Fleet of Fog. (Source: Anime News Network)

Official synopsis from AniList.