Chapter 1: To the Pizzeria!

(Based on TheFamousFilms FNAF 6 Roleplay)
Bryan and his friends love to go into the portal to play minigames. They love to go explore new dimensions and meet new friends to hangout with. However, one day, as Bryan goes to hang out with his animatronic friends, the portal began to glitch, BADLY. The portal began to make Bryan switch places with his alternate selves, sometimes giving him their look, sharing memories with them, and, at times, caused Bryan to even acted like them.

Why is this happening to Bryan?
What is going on in his dimension?
How will he cope with the demons that aren't even his?
What will he do with nightmares of memories and people who he doesn't even know?
Most importantly, what is making the portal glitch....?