The wolf of Oren-yaro / K.S. Villoso.

"A queen of a divided land must unite her people, even if they hate her, even if it means stopping a ruin that she helped create. A debut epic fantasy from an exciting new voice. "I murdered a man and made my husband leave the night before they crowned me." Born under the crumbling towers of Oren-yaro, Queen Talyien was the shining jewel and legacy of the bloody War of the Wolves that nearly tore her nation apart. Her upcoming marriage to the son of her father's rival heralds peaceful days to come. But his sudden departure before their reign begins fractures the kingdom beyond repair. Years later, Talyien receives a message, urging her to attend a meeting across the sea. It's meant to be an effort at reconciliation, but an assassination attempt leaves the queen stranded and desperate to survive in a dangerous land. With no idea who she can trust, she's on her own as she struggles to fight her way home"--