Jiyeon transferred to her late grandparents house due to her parents request and somehow for an attempt to find herself, and there she met Eunjung, a seemingly awkward and interesting girl.    But little did she know that something more is hidden within them, a hidden abilities that has been buried for a very long time, and will start to arise with a single switch with her past life.    What if her very own enemy to the heart of the person she loves is herself?