First released in 2009 The Manga follows the story of Chihaya Gunzou the Human captain of the submarine I-401, with its Mental Model Iona as they need to deliver a prototype weapon to the United States to fight the Fleet of Fog, a misterious organization that has blockaded the sea lanes, stopping all naval trade, which threatens the survival of Humanity.
The Anime "Arpeggio of Blue Steel: Ars Nova" adaptation, released in 2013, is a self contained story with Kongou as the antagonist.
The Anime received 2 continuations, "Arpeggio of Blue Steel: Ars Nova DC", a compilation film in the first with the starts of a new story, which is followed up by "Arpeggio of Blue Steel: Ars Nova Candeza" a film focused on the Battleships Musashi and Yamato
The Anime has also created the musical Group "Trident"
