you caught up Jonggun with another woman, but jonggun say that it's misunderstood between both of you, but you still mad at him then you're break up with him. Jonggun still can't move on from you he still love you.

jealousy ex boyfriend

enemies into lover 

You are the only daughter of a Yakuza family and when your family's company went bankrupt, you were forced to marry Jonggun. He's the Yakuza and CEO who destroy your family company and now he needs contract wife and he chose you.