Sunoo has OCD. He got cheated by his girlfriend and he goes on the bar and order 4 bottles of beer but then you joined him. You have same situation as him. You got cheated by your boyfriend. You both drink a lot and you two got a one night stand. Your parents know you're now pregnant and Sunoo is the father so they arrage marrage for you and him. You hate him now and he did hate you too "you ready for our marrage?" he said while spraying an alcohol on his hand as if he hates germs