Atatan provides you "All Japan Terrain Scenery Detail Version".

Really No.1 FS site in the world.

Top 100 Flightsim site in the world !!

TwilightExpress web site.

LAGO, they make Tokyo scenery and sell it in western countries.

Railways for the World of the Microsoft Flight Simulator
FSRail.com

Like my Yamanote-line scenery, he makes railways for the world of Flight Simulator scenery. From FSRail, you can buy scenery making tool. He makes animated train and cars as I do.