Because of her smile, she was tightly entangled with the other two people. He, one of the members of the popular star group, is the biological son of her adoptive parents and her brother. He has always supported her and cared about her when she was injured and sad. He is one of the members of the popular star group, and he always hurts her inadvertently... In the end, will she choose him who is cold but gentle to her, or him who is evil and charming? Or...