He is real

A book about a boy name Atlas. Atlas is a sixteen year old boy. He is 5,8 and is in a bunch of freind groups.he has a disability were he hallucinates.

On atlas 2 year of high school he started to see this boy following him all the time. No one would believe him sense they thought it was a hallucinates. Atlas would get bullied for it. That one day something would happen to him.
(Bl story)