So I tried to get this out before 2021 was out, and did not succeed. Ah well. I've got no good excuse, I just mishandled my time.
Anyhow, it's time for one more trip with the crew of the Moonlight Maiden. BTW, if you're unfamiliar with the Exalted books, the manor house is something that appears in the Hundred Devils Night Parade supplement on DriveThruRPG, listed as "The Forlorn Manor." The book provides the haunted mansion as a setpiece and a character, sets up that there is a mystery surrounding the people who used to live there, and the rest of it (the island, the abandoned town, the backstory, etc.) was all me.