A 300-year-old book is discovered which chronicles the adventures of the legendary Samurai Troopers... centuries before they happen! But what does this mean? Are the Troopers merely puppets in some cosmic play, acting out parts? Who is this mysterious Suzunagi, a mysterious girl who entices each of the warriors with their hearts' desire - salvation, new armors, freedom from a life of fighting. Why is she so interested in the troopers and their armors?

The fight with the Martial Church had dire consequences, and Chirico now finds himself a wanderer. An encounter with a woman called Stevia leads to a reunion with old friends, but the homecoming must wait since war refuses to leave Chirico alone.

阳光突然强烈，气温急剧升高，新宿陷入异常的热浪中。诡异的黑人姆卡拉出现，其巨大的破坏力竟为五人所不能敌，而且，他竟然拥有与辽的白色盔甲相同的黑色辉煌帝！五人欲以白色盔甲应对，但伸因仿佛感觉到了什么而犹豫，导致辽和征士被黑色盔甲带走。辽、征士的不知所踪，伸与秀、当麻打架而出走、迷失，一直以来同生死共患难的他们，遇到了前所未有的危机……在非洲原始部落神秘美丽的土地上，他们将第一次发现，被人类当做保护神数千年的的盔甲的真实面目；并以最纯洁高尚的心，粉碎了全部的盔甲。