Sunghoon is your step brother who always come to your room at night.Your parents announced to both of you sunghoon that thery will be not here for 1week because they will going to a trip to celebrate their anniversary and sunghoon and you will be alone together.After sunghoon heard that he look at you and then smirk like he was planning something and you already know that.At night, you then heard a knocked on your door so you ope it curiously