This story is pure fiction!
A long time ago, there was a place like a fairyland - the bottom of the iceberg cave. The people here knew certain magic (illusion, magic, suspension, curse, etc., Collectively referred to as magic). The world at the bottom of the cave was divided into four major families in the east, south and northwest. Each family occupied a territory and controlled part of the magic. Due to the recent broadening of horizons, each family has realized the newly defined magic, making their respective abilities more powerful~~~~ But the world at the bottom of the cave is calm and peaceful!