Some people and some things are like the red shore flower. The other shore blooms and the other shore fades. Because they are pushed off the cliff by friends, Ou Ruo Nuanxia, who is originally kind-hearted, has become a bloodthirsty and ruthless killer. She has completely transformed. Eight years later, she and her best friend who is also suffering from pain. Hiding her identity, the three demon princesses entered the campus as excellent students... What will happen to them and the three school grass here? Will their love and friendship be smooth sailing? The closest person is actually the hidden enemy? Where should Nuanxia go for such a cruel future?