City of bastards - Andrew Shvarts

Tilla, bastard of House Kent, is finally safe from her murderous father in the dazzling capital of Lightspire, she lives a life of luxury under the protection of the Volaris King. However, it doesn't last long when Tilla stumbles upon the body of a classmate - a friend. The authorities are quick to rule it a suicide but when Tilla herself is attacked by a mysterious man, she's convinced of a conspiracy. As she digs deeper, the more questions she uncovers. Nothing is as it seems in the glorious capital, and Tilla's presence might just be the spark that sets the Kingdom aflame.