The massacre of the Mohist family 500 years ago disappeared without a trace in the rolling history.
The world 500 years later is divided into the world of Muggles and demons.
The four holy monasteries from east, west, south, north and south came together because of a game.
However, the Mohist woman appears mysteriously? What? Actually 500 years old?
Who can tell me what's going on in this world?