Agreed, and that's a little concerning. Mementos is confusing enough, but mixed with whatever this is? It's probably not a good situation...

[ Which means finding an exit is going to be a LOT harder. She's concerned about what sort of enemies they're going to run into, if any... Shadows? She can handle Shadows, she thinks. But she's not sure what else is lurking around in the darkness, and it's unnerving. ]

Agreed... mm, I just hope we don't run into zombies or something...