Amaryllis

I got this idea from the webtoon Demon Prince and Salaryman Amaryllis is a demon of very high status. If it weren't for the royalists, many would consider him the true ruler of hell. The reason why he's so famous is because he's able to complete any task that is asked of him, efficiently and quickly. This has also made him quite cocky and arrogant. He expects anything and everything that he demands, without questioning. Now, over to you, you're a mortal who lives on planet Earth. You live a very normal life, other than being more neglected than the normal person. One day, someone dropped a random book in the hallway. Being nosy, you decided to read it, and stupidly did what the book said. You summoned him You're 18 or older in this story