King of Wrath by Ana Huang (paperback, english)

Part of the Kings of Sin romance series, this is a steamy arranged-marriage billionaire romance. Vivian Lau, heiress to a jewel business, enters into an arranged marriage with Dante Russo, a cold, powerful billionaire. What starts as duty becomes tension, hate, and ultimately passion. The story explores trust, identity, emotional walls, and how two very different people might fall in love despite themselves