1. Think of some stuff to do and/or an event to centre the trip around (./)
 1. Negotiate a suitable set of dates with your comrades (./)
 1. Check prices for airfares and jiggle the dates until optimal (./)
 1. Apply for leave from work (./)
 1. Chase management for receipt of request
 1. Confirm leave approval
 1. Book airfares (./)
 1. Figure out where you'll be and book accommodation
 1. How about travel?
  * JR pass?
  * Car hire? http://rent.toyota.co.jp/en/index.html
 1. How many yens will you need? Buy some yens

TBC