Mu Bai transmigrated to a parallel Earth that has entered the interstellar age. Despite having ordinary cultivation talent, he enjoys a comfortable life with his childhood friend, who is incredibly talented and appears cold and fierce to others, but is actually adorable and cunning at home. They live together. Just as he fantasizes about their future, his childhood friend declares that whoever is stronger can do whatever they want, leaving Mu Bai in despair. Then, something happens to his body...