Hmm... this is super good (I guess I'm dead), I wonder if it'll go any further...

I like this, except for how itswitches to past tense in the middle of paragraph 6. It detracts from the immediacy of the story, and there doesn't seem to be a reason.

If it were entirely present, it would be a spooky, haunting story, and if all past, it would feel like the "you" was a ghost. Mixed, it feels odd.

Your descriptions feel very realistic! Will there be another chapter, or does "you" just die?