He is the crown prince of the dragon tribe, Reikaser, and she is the fourteenth princess of the mermaid tribe, Shui Luobai; she unfortunately passed away in the battle between gods and demons and was reincarnated into the human world, and he has been waiting for her for three centuries; in the dangerous and dark campus, he explores the truth with one hand and protects the love of his past life with the other. A cold and evil vampire, a charming puppet master, and a charming young Yi girl, protector? Salvation? There is a lot of betrayal in the middle, it is hilarious and shocking, is it human? Is it God? Or a demon?