Hmm...that could be right.
Shin dies pretty early, and when Makoto's in his room, odd stuff happens, like the figurine falling, and the TV. It's the only place that stays lit, too. I'm glad it did.
Maybe it was his memory when he was a ghost, but maybe his room was there before he died, but after he died it started doing that creepy stuff. It's hard to tell though...Makoto got to the one story house right when Reiko was attacking Shin. Events are out of order so it's confusing sometimes.