* Long ago, two races ruled over Earth : Humans and Monsters.

One day, war broke out between the two races.

After a long battle, the humans were victorious.

They sealed the monsters with a magic spell.

Many years later...

A human child fallen into the Underground.

Unfortunately...

This human brought destruction to this world, for years.

Nothing was new to him anymore.

The human just keeped resseting this timeline, over and over...

Was this timeline stuck in a endless loop ?