I was fortunate to visit Japan for a couple of weeks - I have lived there on and off throughout my life (for a total of about 10 years) but haven't been back in 12 years! Visiting guitar stores - and very often, BASS stores - is one of my favorite things to do in life! Used to go to Shibuya many weekends in the '80s when I was in high school. But Ochanomizu is the place to go if you want a bunch of music stores in a concentrated area.
Of course, I kept an eye out for Alembics, and found a few! Check out this wall of basses:

Jimmy Johnson Signature:

Single-pickup Distillate:

Also some kind of custom with a pistol-grip (this was at the Ikebe bass specialty shop):

Also some familiar looking sandos:
