Correct order is:

1. Watch Perfect Days 2. Go to Japan 3. Do the The Tokyo Toilet [1] _tour_

[1]: https://en.wikipedia.org/wiki/The_Tokyo_Toilet

My favorite movie of all time. First thing I thought of when I saw this.

Great film with great acting and great music. If you feel you lost the connection to your own life, it might be worth a watch.