Aoki Hagane no Arpeggio summary: You are reading Aoki Hagane no Arpeggio manga, one of the most popular manga covering in Action, Drama, Romance, Sci fi, Seinen genres, written by Ark Performance at MangaBuddy, a top manga site to offering for free. Aoki Hagane no Arpeggio has 170 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Aoki Hagane no Arpeggio to your bookmark. Suddenly, a fleet of ships with mysterious superweapons 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...