Cheong-Yeon Ham thought he finally got the opportunity of a lifetime! The rich heiress of a powerful conglomerate offered all the luxuries money could buy in exchange for participating in a flashy sham marriage. But Cheong-Yeon soon realized that it was all a trap! His brother-in-law, Do-Eum Yoon, masterminded the whole affair as an elaborate scheme to enact his revenge decades in the making. And his method of doing so? SEX! Nasty sex! But is there more than meets the eye?

(Source: Tapas, edited)

Note: Includes one extra chapter.