SPIRAL!!

Chrome is an agent for the Divine Intelligence Agency who had just finished a difficult infiltration mission when he was suddenly called in by his boss for a new task. When he was told that it was concerning the royals, he wondered what dangerous job it would be this time, so he couldn’t believe his ears when he heard what it was.

“Eh? It’s just attending a school…?”
“Correct. They want you to enrol as a student in the human school specified in the file I just gave you. As a human, of course.”