Arpeggio of Blue Steel
 Arpeggio of Blue Steel (蒼き鋼のアルペジオ Aoki Hagane no Arupejio) is a Japanese manga series produced by Ark Performance and serialized in Shōnen Gahosha's Young King Ours. Eight manga volumes have been released and an anime series by Studio Sanzigen aired from October 7 2013 to December 23 2013.