Eight, a grantor, is fired from an up-and-coming adventurers party for being a support worker. At his wits end, he leaves his familiar town, but soon afterwards he saves the princess, Filia, by accident. Fillia, who is impressed by Eights ability, which clearly distinguishes him from ordinary grant techniques, recommends him as a court grantor to work at the royal court. Eight is delighted by this unexpected breakthrough, but now a party of heroes invites him to join them on a journey to exterminate the Demon King...!