I'm tempted to throw in something else 'first' - yes, they've been invited to Winter Court, but that doesn't follow that Winter Court is the 'next' thing to happen, because obviously it happens at a specific time of year.
They'll be heading back 'home' (technically it's Seppun Tatsuko's home, but they live there and he doesn't) to catch up with their boss (and Ryu), and would probably get a bit of time to recover and plan what they're doing at court, acquire suitable gifts and clothes, for assorted messengers to reach Uiri and Horonigai from their clans when they find out they've been invited to where ? and for me to figure out the roster of NPCs for Winter Court (Yes, there's a Dramatis Personae list for Winter's Embrace , but there'll be plenty of others in residence and I feel like there should be a lot of stuff going on in the sidelines....)
I'd quite like to throw something very different again at them en route home; with Sokorii dead I figure I should remind them of the other plotline that's never been quite resolved (the Kolat), plus reinforce their NEVER TRUST THE SCORPION CLAN EVER reflex, and I have access to some older edition materials....
The logical way to get from Kyuden Hida to the Capital (if you're an Emerald Magistrate and clan boundaries aren't a big deal) is taking a boat up the River of Gold from Clear Water Village up to Scorpion Clan lands, through Beiden Pass then across Lion Clan lands. They travelled south along the coast in a sea-going vessel, but that's because they were heading out to the Mantis Islands; on the way back the Hida are more likely to send them via the inland route not affected by ocean storms.
One sensible place for such a boat to moor during the journey is Shiro Usagi - the Castle of the Hare Clan. Obviously nothing bad could happen there, right?
Edited by Magnus Grendel