Ryuutama: preparing to run it for the first time

Ryuutama is a fantasy game of travel and exploration. I've been looking forward to digging into it for a while, to see how it works.

Here's what I know at the moment:

• Players portray non-traditional fantasy RPG characters like tinkers and bakers. They are not adventurers.
• Every character is hit by wanderlust (this is a normal and expected part of the setting) once during their lives. A game of Ryuutama covers the travels of a group who get wanderlust at the same time
• Wilderness travel is a big thing in the game (which situates Ryuutama near games like The One Ring and -- I think -- Chuubo's Marvelous Wish-Granting Engine)
• The GM portrays a dragon who looks after the travellers
• There are four different types of dragon a GM can control. A ... Winter (?) Dragon is one that signals a dying world.

I'll post my thoughts in the comments as I get a chance to read the game. Which, by the way, looks beautiful and (on an initial skim) clearly-written and logically-presented.