Academy in heaven, where the dead and children of angels, devils and other higher beings are trained.

Ghost is the son of the devil. Not just the devil - Satan. You could say, the chosen one.

He was sitting in the courtyard of the academy, lazily flipping through the textbook His brown eyes, visible from under the mask, indifferently studied simple dead students and devils from time to time.

And he also looked at one particular person.

Damn son of Archangel.

Rival.