Lee Da Hae

Han I Ju, a painter adopted by Han Jin Ung and Lee Jeong Hye, has always been neglected by her family, including her younger sister, Han Yu Ra. Married to Yoo Se Hyeok, I Ju discovers he loves her sister instead. After a car accident, she wakes up in the past, before her engagement to Yoo Se Hyeok. Determined to change her fate, she breaks off the engagement and proposes a contract marriage to Seo Do Guk, the handsome grandson of the Taeja Group’s founder. He agrees, but hopes for it to become a real marriage. (Source: MyDramaList) ~~ Adapted from the web novel "Perfect Marriage Revenge" (완벽한 결혼의 정석) written by Lee Beom Bae (이범배) and illustrated by Maximum (맥시멈).