Thanks for that link, that's so cool. I know of otaku in general, but densha otaku are new to me.

By the way the perfect kiss, that's referenced in the first paragraph there, looks like this:

There's also a long-running series of train simulator games, of Japanese origin, that had specially produced controllers for PlayStation 2.

Just like Japan has the ‘Air Traffic Controller’ series, when Western titles seem to have ended in the nineties.