I couldn't become a Demon King due to the Four Heavenly Kings' schemes. So I quit my position as an executive in the Demon Lord's army and headed to Oxford Academy where the Hero attends. That's when they started looking for me. AI: This image was retouched using AI based on a commissioned commercial illustration. The author takes responsibility for any related issues. [The commercial commissioned image used is from "Escape the Yandere Constellation," another serialized work]