Episodes 1-3 - Back Arrow - Anime News Network
Episode 1 Lingalind is a land surrounded by a divine wall. Within the wall are two nations: Rekka which values strength, and Lutoh which values intelligence. Occasionally the wall will send gifts to the nation known as Rakuho, and we open with one such gift descending from the sky in the form of a pod. It crashes to the ground and both nations send forces to retrieve the gifts within. The Rakuho contains additional arm bracelets known as Bind Warpers which allow people to turn into mechanized warriors called Briheights which are powered by convictions. The Rekka general Kai defeats the Lutoh ...
Source: animenewsnetwork.com