At the end, ...will there be a truth for me to find?

I don't object in principle to putting a scary monster in your Backrooms-type media, but I feel strongly that you've entirely missed the point of the genre if at any point you actually show us the monster.

Forgot to close a parenthesis and now spirits enter me like a waterslide

*sigh* fine, fine, i'll be the new doctor who showrunner. bring me two twinks, britain's tallest woman, and 1000 pounds worth of alumininamian foil

The next doctor who should be a dog (golden retriever) and hold his sonic screwdriver (it looks like a bone) in his mouth and he still goes on adventures in the tardis (all the buttons look like dog toys) and he wears a dumb collar that gives him an old fashioned robot voice so he can monologue about time and space and tragedy but he is also a dog so the cybermen would throw a ball and he would go after it