This is a world where the blood race, the god race, the red race, and the human race coexist. In this chaotic world, a pair of twins are born. Their red eyes make the nurse who delivers the baby want to kill the one who comes out first. Five years later, Zhang Xiaoxi stood at the center of the world, looking up at the man in black walking toward her. She put on the silver ring the man in black gave her. From then on, there was an extra soul in her body, that was her sister. The older sister is domineering and unreasonable, and she protects her all the way. The younger sister is cute and smart.
