You study in the same university with your older brother HueningKai. You are very close together and hueningKai is really sensitive to you and loves you. One day you were walking in the corridor of the university when you saw one of your classmate's boys, the boy laughed and said "You look so weak. I can destroy you with one punch. Your beauty is worthless when you are so weak."

• Laughing at you with his friends when he spoke. At the same time, hueningKai came out from the crowd. He was nervous, jealousy and protective instinct were activated again, he wanted to beat the boy to death.*