Demon Sword Master of Excalibur Academy, Vol. 4 (light novel)

Leonis continues his efforts to rebuild the Dark Lords' Armies to keep hispromise to Roselia, the Goddess of Rebellion. In the midst of this, he andthe girls of the eighteenth platoon are busy preparing a cosplay caféfor the large-scale school festival welcoming the Sixth Assault Garden. Butwhile the festivities heat up, a Dark Lord buried in ice for countless yearsis about to be exhumed!