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Ana Huang
Kings of Sin
Ana Huang's Kings of Sin is a seven-book contemporary romance series, one book for each of the seven deadly sins. Each entry pairs a bad-boy billionaire who must atone for his sin with the woman who holds him to it, and every book is written so that it can be read as a standalone. The run begins with King of Wrath and concludes with King of Lust.
Each book in the Kings of Sin series features a different couple and can be read independently. While they are set in the same universe and characters may make appearances, you do not need to read them in order to understand the main romance of each story.
The Kings of Sin series is set in the same universe as Ana Huang's Twisted series. While they feature distinct characters and storylines, readers may notice subtle connections and crossover appearances between the two series.