
Suica? PASMO?
Welcome? Stop guessing.
Four similar names, one simple job. See which IC card actually fits your trip — including 28 days vs 180 days and the iPhone/Android question.
Good places, useful little discoveries, Japanese that actually comes up, and the occasional “why isn’t this better?”
Practical guides, useful details and things worth coming back to.
Pick the route that matches what you need. The homepage below is for what is timely right now.
Seasonal changes, useful updates and a few things worth knowing around Japan right now.

Four similar names, one simple job. See which IC card actually fits your trip — including 28 days vs 180 days and the iPhone/Android question.

See where the colors are expected first, plus a few October–November seasonal highlights.
Pay tax included first, get the refund after departure confirmation. Here is the new flow before you shop.
JBASE is simply a place for things around Japan that feel worth sharing. A street that leaves an impression, a Japanese phrase that keeps coming up, something useful in everyday life, or even a small thing that makes you wonder why it works that way.
Sometimes it might be a guide. Sometimes a place, something seasonal, or just a thought that felt worth writing down.