Since Ars Harmonia is currently on hiatus while work continues on the third movement, have a treat in place of a new chapter. Here's a reference sheet for the white-haired woman.
Curious about Ars Harmonia? It's a series of short stories set in the Vacant Sky universe. The second story has just concluded, making it a great time to jump in. Check it out here:
http://www.projectbc.net/arsharmonia/