All good!
With just the VIN Number, that's all you're pretty much going to get, information wise.
Unless you take a pic of the Blue Plate and post it here, I might be able to give more information.
Did the car come with any log books / auction sheet?
Unless you know who was the original owner of the car in Japan, we can only go by what came with the car.
Even post pics of the car / engine bay here or PM me and we can have a look.