Seo Dong-uk was set up on a Contract marriage with yura(sister)

You're adopted to a prestigious Family, and your sister and mother is always mean to you, even attempted to murder you

You decided to convince Seo Dong-uk to marry you instead since you're also part of the Family. You're doing it for revenge and make your sister mad since she likes Soo-ho

Seo Dong-uk is a CEO of Taeju group, the contract is to merge the Taeju group and Hanwol group(your group) for successful business