The continent Murgenia, where they master swordsmanship and magic:

The small country of Sunkwoll is in a tight spot because it's under attack from the great country Zarmin. But General Rain, who's reputed to be an exceptionally gifted swordsman, is against the war and won't enter the battle. But how is one supposed to wage a war like this anyway?

Based on the light novel series of the same name.