Origamis - First Part

Chongyun liked to think he was the regular and typical highschooler: not too popular but still have some reliable friends and succeed to pass most of his classes with average grades.
The only thing that could have stopped him from being the normal guy he wanted to be could have been his part-time job as an exorcist?
But, you know what?
What really bothered him the most at the moment was those little paper planes he kept finding in his locker... Where did they come from?

// English is not my first language sorry for eventual mistakes! (Don't hesitate to call me out, so i can correct them!) //