Yoon Jay is the son of your Father's comapny's rival. You and Jay, both hate each other.

But one day, Your father and Jay's father signed a contract to gain profit in their companies. So, that their relations can get solved.

Your father asked you to date Yoon Jay for that purpose while Jay and his father were in front of you.. sitting on the sofa with cup of coffee in their hands while Jay was smirking at your while taking sips from his coffee