Undefeated Bahamut Chronicle
Undefeated Bahamut Chronicle (最弱無敗の
神装機竜, Saijaku Muhai no Bahamūto, lit. "Undefeated Weakest Bahamut") is a Japanese light novel series, written by Senri Akatsuki and illustrated by Ayumu Kasuga. SB Creative has published nineteen volumes since August 12, 2013 under their GA Bunko imprint. A manga adaptation written by Itsuki Watanabe, with art by Fumi Tadauri, was serialized by Square Enix and GA Bunko's online magazine Gangan GA from July 17, 2014 to May 11, 2018. It has been collected in eleven tankōbon volumes. A 12-episode anime television series adaptation by Lerche aired between January 11 and March 28, 2016.
Five years ago, a revolt has overthrown the Arcadia empire. The empire's former prince, Lux Arcadia, accidentally trespasses in a female-only bathing area, and witnesses the new kingdom's princess Lisesharte Atismata naked and her secret. After a duel with Lisesharte, Lux attends the female-only academy where they train students to become royal Drag-Knights.