The world of Lingalind is surrounded by a mystical wall with seemingly nothing beyond its confines. Worshipped as the mother of the land, the wall delivers celestial gift capsules called "Rakuho'' to locations across the continent. Arriving once a month, the capsules contain metallic armbands that allow the wearer to transform into a mechanical being known as a "Briheight." As a result, Lingalind is thrown into constant turmoil by its warring nations, all hoping to strengthen their military prowess by procuring the offerings for themselves.
One day, a Rakuho crash-lands in the countryside with an unexpected inhabitant—a mysterious black-haired man. All eyes are set on this strange newcomer, who calls himself "Back Arrow," when he claims to have hailed from a place beyond the wall—a revelation that can potentially unravel Lingalind's entire dogmatic foundation.+ More
Characters & Voice Actors
![Ariel, Atlee](https://cdn.noitatnemucod.net/thumbnail/100x100/100/fe408f5bade66a2253bce10e42841f1c.jpg)
Ariel, Atlee
Main![Suzaki, Aya](https://cdn.noitatnemucod.net/thumbnail/100x100/100/7c50500de1daec93686957e03d829c5e.jpg)
Suzaki, Aya
Japanese![Back Arrow](https://cdn.noitatnemucod.net/thumbnail/100x100/100/ae89aa471fa51863884b0cc9ddc74799.jpg)
Back Arrow
Main![Kaji, Yuki](https://cdn.noitatnemucod.net/thumbnail/100x100/100/64780a6971f0d349c0d5ff1eeb72f062.jpg)
Kaji, Yuki
Japanese![Bi, Shuu](https://cdn.noitatnemucod.net/thumbnail/100x100/100/2cbadc564f9125fbdc1fd762e531a8aa.jpg)
Bi, Shuu
Main![Sugita, Tomokazu](https://cdn.noitatnemucod.net/thumbnail/100x100/100/deae516e8edb7cf8e1dfc709ea34fa59.jpg)
Sugita, Tomokazu
Japanese![Lean, Elsha](https://cdn.noitatnemucod.net/thumbnail/100x100/100/933a9aa93eeca65b2df71f509ce8be34.jpg)
Lean, Elsha
Main![Ozawa, Ari](https://cdn.noitatnemucod.net/thumbnail/100x100/100/8d21afca067fe5a68a2d7668411ff5a1.jpg)
Ozawa, Ari
Japanese![Namital, Bit](https://cdn.noitatnemucod.net/thumbnail/100x100/100/ac1cdbca50031951af61a467abbeaea8.jpg)
Namital, Bit
Main![Ono, Kensho](https://cdn.noitatnemucod.net/thumbnail/100x100/100/f9a4de954ab9aba29a5cc8ce71516533.jpg)
Ono, Kensho
Japanese![Annie](https://cdn.noitatnemucod.net/thumbnail/100x100/100/183d567a353443e662c4f70759b78a0f.jpg)
Annie
Main![Ueda, Reina](https://cdn.noitatnemucod.net/thumbnail/100x100/100/a6a604a7d5bba81980b364bf436fa929.jpg)
Ueda, Reina
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