(Xuan) started to know my prince (楽 Hyun) when he was 7 years old. We have been in a relationship for more than 10 years. But he told me that he has always only regarded me as his sister. He already has a girlfriend: Min.. When I was heartbroken, my other knight (Ali).. He comforted my broken heart.. When I thought he was my happiness.. Suddenly came out: Qing.. Took him away from my arms... Fortunately, I have a good sister: Pure comfort... Unfortunately... What she told me was wrong Unexpectedly... She is My half-sister... This emotional experience of being hurt again and again... Made me a veritable bitch, specializing in stealing other people's boyfriends. I offended my enemy at school: ta. Then I met Ray and Xuan. My destiny changed drastically...