Sacrificed by the Marquis, I Became the Demon Lord's Treasure

Fifteen years of luxury shattered in a single day. Ning Nian, the beloved daughter of a noble house, discovers her entire life was a lie when the true heiress returns. Betrayed by her family and offered as a sacrifice to the bloodthirsty Demon Lord by her own fiancé, she's cast into the abyss to secure a border treaty. But instead of death, she finds herself caught in the arms of a devastatingly beautiful man who treats her like precious treasure. The feared Demon Lord isn't the monster from the legends—he's dangerously charming, unexpectedly gentle, and determined to keep her by his side. In…