Facing off against a beautiful, powerful princess! What's more, Yuta and the gang suddenly find themselves caught up in the political strife of a royal succession? Yuta's mercenary band continues to gather formidable new members, gaining strength day by day. But one day, when resting in town after the harsh battles, Yuta is approached by an energetic, blonde girl, only to find she's set on a Magic Suit battle! Little did he know, the charming girl was none other than one of the Twelve Heroes of the Realm: Linncarlo, the Lightning Empress! Soon, he learns of her other identity: a member of a feuding royal family! What troubles await them next?