Mutsumi Tamura, Lynn Star in Undefeated Bahamut Chronicle TV Anim

Yukiyo Fujii, Yurika Kubo, Risa Taneda, Ari Ozawa also co-star in January 2016 series

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The official Twitter account for the television anime adaptationof writer Senri Akatsuki and illustrator Ayumu Kasuga's (Jōkamachi no Dandelion) Saijaku Muhai no Bahamut(Undefeated Bahamut Chronicle) light novel series revealed the show's main cast on Sunday. The cast is as follows (Note: name romanizations are not official):

Mutsumi Tamura as Lux Arcadia
Lynn as Lisesharte Atismata
Yukiyo Fujii as Krulcifer Einfolk
Yurika Kubo as Philuffy Aingram
Risa Taneda as Celistia Ralgris
Ari Ozawa as Airi Arcadia

The account also revealed a new visual featuring the six main characters, and also revealed that the series will premiere in January 2016. 

Masaomi Ando (Gakkō Gurashi!, Muv-Luv Alternative: Total Eclipse, White Album 2) is directing the series at Lerche (Assassination Classroom, Monster Musume, Danganronpa The Animation).Yuuko Kakihara (Heaven's Lost Property, Unbreakable Machine-Doll) is handling the series composition, Keiko Kurosawa (Assassination Classroom, Re:_Hamatora) is designing the characters for animation, and Orange (Accel World, Terror in Resonance, Tiger & Bunny) is producing the 3D CG animation.

The story of the light novel series revolves around Lux, a former prince of an empire named Arcadia that was overthrown via a rebellion five years earlier. Lux accidentally trespasses in a female dormitory's bathing area, sees the kingdom's new princess Lisesharte naked, and incurs her wrath. Lisesharte then challenges Lux to a Drag-Ride duel. Drag-Rides are ancient armored mechanical weapons that have been excavated from ruins all around the world. Lux used to be called the strongest Drag-Knight, but now he's known as the "undefeated weakest" Drag-Knight because he will absolutely not attack in battle. After his duel with Lisesharte, Lux ends up attending the female-only academy that trains royals to be Drag-Knights.

Akatsuki began the original light novel series under SB Creative's GA Bunko imprint in 2013, and Kadokawa shipped the sixth novel in Japan on June 15.

Fumi Tadauri launched a manga adaptation in Square Enix and GA Bunko's collaborative Gangan GA online magazine last year, and Square Enix published the second compiled volume on June 12. Itsuki Watanabe handles the manga's composition.