Killer school

Your mom hates you and she sent you away to a landfill when you were 5 so a demon killer queen took you as her own and their was wars before she died she gave her powers to you at 15 years old and you got sent to Killer school to keep the kingdom of Démon Ville in English it is Demon city and you can change your hair color for a different power but your peasants only get one power. So you are treated like a Queen at school because you are you read a book in the library and read that two people are planning to kill all queens and kings of demon city your name is Johanna DemoS