[Truly he's just looking at what he's pieced together so far of these events and squinting at it all. None of this makes sense but sure!! Why not. Hell can just make a cyoa out of the patchwork of their memories and experiences and have it make no real sense.]

We might have been the "stage", so to say... I'd ask why us, but I'm sure it's just as arbitrary as why those four were the ones who ended up there. At least it shouldn't happen again after the party.