ハズレ嫁は最強の天才公爵様と再婚しました。

Countess Ruelle had spent her life oppressed by her family, giving up on everything—until she finally married her childhood friend, Cain, and escaped her cruel household. But her hopes for a peaceful life are dashed when her new in-laws, calling her the “useless wife,” constantly belittle and mistreat her. Just as she perseveres for the sake of her beloved husband, Ruelle’s world shatters: Cain has been unfaithful with her own sister, Eleanor! Shaken by despair and anger, Ruelle accepts her divorce and vows revenge…