Rising sea levels consumed much of Earth's landmass, then a fleet of sentient warships modeled after WWII vessels appeared and blockaded every ocean. Captain Gunzou Chihaya and his crew are the only humans to have sunk Fog ships in battle, sailing a captured Fog submarine named Iona who has developed a mind and body of her own. By Ark Performance, serialized in Young King Ours since 2009. Anime adaptation available on Crunchyroll.

Read Arpeggio of Blue Steel chapters in English, updated regularly. Also known as: 蒼き鋼のアルペジオ · Aoki Hagane no Arpeggio