Yoona and Donghae hated each other more than anything.  Yoona was a goody two shoes for him and aggravated him whenever he saw her. Donghae had a bad boy personality that Yoona couldn't dare go near. They graduated college, hoping that they wouldn't see each other afterwards. One day, both their parents plan to have a arranged marriage. They didn't know who the other person would be their fiancee. Once they Knew, They