Breaking Legacies by Zoe Reed

In a land impoverished by a war that started before she was born, Kiena has provided for her mother and brother by becoming one of the best hunters in the kingdom. But when a lifelong friend with connections recommends her to the king to track down a runaway princess, her life gets turned upside down. Finding the princess is easy. Deciding what to do in a conflicting mess of politics and emotions... not so much.