For this contest, you can use any rating, any genre or any length, nothing is too dark or too morbid, so anything penana allows is allowed in this contest.

Write a story in which the main character notices their is something strange or off about another person, be it co-worker, classmate, ect. Their behavior and such seems odd to the rest of the world, until the day the main character finds out just why the other is like they are. Write it however you interpret it