The Prince's Deadly Substitute

Seraphina Shen, Prince Nolan's assassin for ten years, leaves after humiliation on his wedding day, surviving torture. She discovers she is the sole survivor of a massacred noble family and meets Xavier, who protected her for a decade. Her enemy is her former lover. Seraphina Shen seeks revenge, developing feelings for Xavier. She uncovers a conspiracy, finding redemption and true love.