A long time ago, the Dragon King was defeated by a young man who was a legendary hero.

The world has regained its light

Afterwards, the young man and a woman

He traveled and founded several countries around the world.

It is said that these countries were ruled by young children for generations.

And 100 years have passed...

Nix is ​​a young man who lost his parents and lives with his sister.

One day, he tried to somehow save his sister who had fallen due to the devil's curse.

Aspiring to become a doctor, he sought out a way to remove the curse.

Finally, he decided to destroy the Demon King's army and set out on a journey.

Together with the friends he met during his journey, he fights to subjugate the Demon King.

Full of replay elements