Per 
I write SCPs sometimes, and if eventually, I think one is good enough I'll put it here and ask other people what they think. For now though, ideas.
For a while, I've had this inside joke with some friends about half human half cockroach hybrids that make you think that everything is cockroaches and eventually deforming into a hybrid once you read something written by one of them. I'm planning on including a narrative about an MTF investigating reports of 6ft cockroaches, they're attacked by a few which they easily dispatch, and then one which is barely alive attempts to talk to the MTF, it's taken in for containment where it talks about how it was an employee at a bookstore who tried to read the book and slowly developed into a giant cockroach, who is still fully cognitive but has no control over its body.
