The Shadowed Sun by N.K. Jemisin

Gujaareh, the city of dreams, suffers under the imperial rule of the Kisuati Protectorate. A city where the only law was peace now knows violence and oppression. A mysterious and deadly plague now haunts the citizens of Gujaareh, dooming the infected to die screaming in their sleep. Someone must show them the way.
Trigger & Content Warnings:
- Incestuous rape
- Domestic abuse
- Child abuse