Rokka: Braves of the Six Flowers, Vol. 2 (light novel)

After discovering the seventh Brave and escaping her trap, the newly assembled Braves of the Six Flowers set off to fight the Evil God--only to find yet another Brave! With the clock ticking until the Evil God awakens, the seven set off into the Howling Vilelands with the impostor in their midst. A fiend appears, telling Mora her time is short. Not only that, but a commander of the fiends suddenly appears before the Braves. Could the seventh have something to do with it? Amid the chaos, a fierce battle begins!