Guardian of Talons and Snares

Sun Aranya wants a stable job so she can care for her ailing grandfather. When she finally earns a city wardenship—she discovers that annoyingly handsome Shi Kai is laying claim to her position.
There's only one answer-they will have to compete for it.
While Aranya and Kai are competing to win their title, trouble brews in the empire, and magic - wielders are disappearing without a trace.