Exploring the vast and dark Unrelated Zone beyond the heavenly realm, Head Rokoko and the six god-emperors embark on a journey with St. Big Bird. Amidst their travels, they rescue Suisai, a talisman girl under attack by Kuuma. However, during the battle, Yamato falls unconscious, only to awaken to a looming crisis threatening both heaven and earth. Unveiling an untold incident from the latter part of the TV series, this movie delves into a world centered on the concept of 'omamori', the third race alongside angels and demons in the realm of 'Bikkuriman'.