"They lead to versions of Tokyo, Inaba, Iwatodai, Mikage-cho and... some other place, which I still haven't properly investigated in full. There's also access to the TV world in Inaba, which probably doesn't mean anything to you unless by some ungodly chance you're familiar with a version of me that spent many of his formative years in Inaba... which would have some rather striking implications."

Hmm. Is it possible? He'll find out soon enough. The odds are slim, though. Very, very slim.