What's Wrong with a High Schooler Becoming a City Lord?

The once pure, flawless moon is suddenly stained red with blood, and remains that way all night. Some of the children born after that night awaken supernatural abilities, known as [Moe]. After the Blood Moon, beings from distant dimensions suddenly descend upon the human world. No one knows how they got here. Humanity collectively calls these creatures [Xi]. After a century, the two sides reach a strange equilibrium. I'm a new author, just writing for fun, so please go easy on me, everyone (*￣3￣)╭♡