Not even in her dream,her lovely boyfriend,Xi Luhan will betray her with a guy.Usually,a guy will have an affair with other woman but with a guy??Not a reality Choi Sunghee can accept in her life.At first,she doesn't even doubt about them,maybe only normal hyung-dongsaeng relationship,right??But thing become worse after the boy decide to live with them for 3 months.Soon,Sunghee will discover one by one secret about them.She has