Reign of the Seven Spellblades, Vol. 15 (light novel)

Headmistress Esmeralda is nowhere to be found, leaving Kimberly's students and the remaining faculty to fight off an invasion by the Order of the Sacred Light. All six members of the Sword Roses are fiercely defending their positions even as both sides of the struggle deal with numerous losses. The Gnostics desire salvation, but Oliver and his allies will resist this crusade-even if it kills them. With the scales of war tipping in the enemy's favor, Kimberly Magic Academy may very well be on the brink of total collapse...