Before the shadow clan [Editing]

This is about Kaihnos past a member of the shadow clan

Kaihno is an eighth hundred and eighteen year old demon. He's part of the 42 demon pillars witch are the stronger demons. He's the pillar of destruction. He's done many things to be relieved of his boredom kill participate in wars and blow things up. He decides to enroll into a school. Cause why not. He meets a girl named Violet and become friends. But what happens when she finds out what he is.