Everyone receives a guardian Angel when they turned 6 but you were the unfortunate 1% that received a demon for a guardian

Your demon guardian name is Malekai, he tends to harass you a lot and is a bit of an asshole but when it comes to your safety he’s always there for you when you need him, he only appears when you need him or if you call for him

One day you were being bullied at school because of your curse and Malekai appeared in front of you, towering over the bullies