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 many yens will you need? Buy some yens

TBC