A gorgeous encounter, in a dangerous moment, it was the little boy who saved Qing Xiaoxi. But what if he has a twin brother? The confused Qing Xiaoxi actually got Prince Charming wrong. However, she didn't know that the devil was actually very fragile. Under that handsome, cynical face with a wicked smile, there was a sad memory that made this originally sunny and lovely boy become so cold and evil. After knowing the facts, Qing Xiaoxi decided to use her fiery heart to melt the defensive threshold in the prince's heart. Will she succeed? Can the devil finally evolve into Xiaoxi's guardian angel?