Chrome Shelled Regios (鋼殻のレギオス, Kōkaku no Regiosu) is a Japanese light novel series by Shūsuke Amagi, with illustrations by Miyū. A short story light novel series was serialized in Dragon Magazine. A manga adaptation drawn by Miyū was serialized in the shōnen manga magazine Dragon Age Pure. A second manga adaptation drawn by Nodoka Kiyose is serialized in the shōnen manga magazine Monthly Dragon Age. A third manga adaptation drawn by Watari was serialized in Beans Ace magazine. A four-panelcomic strip adaptation drawn by Masumi Futaba was serialied in Monthly Dragon Age magazine. A prequel light novel series titled Legend of Regios was published by Fujimi Shobo under its Style-F label. An anime adaptation produced by Zexcs aired on January 11, 2009, to June 20, 2009, and is licensed in North America by Funimation Entertainment. A spin-off light novel series titled Regios Crusade was published from 2009 to 2012. Another spin-off light novel series, Journey of me and Regios, was published in 2009.