Zero to Hero Kenny x Reader

One late night, walking home from a party, you are approached by a strange man who calls himself Dr. Destruction and demands you join him or he will kill you. So you join him and become the supervillain named Midnight. But the superhero Mysterion is always getting in your way and you vow to kill him. What will happen when you find out he's your best friend? And will anyone find out your superpower? I don't own South Park!