The seventeen-year-old Ying Hun met the twelve-year-old Luo Simian. They didn't know each other without fighting. They went back and forth and became good brothers. One accepted the younger brother for free, and the other recognized the older brother for free. From then on, the eldest brother took his younger brother from fighting monsters to leveling up and experiencing hundreds of adventures to kissing and hugging each other. He even called them euphemistically: "Everyone's good brothers are like this, so why aren't we good brothers..." Until the "rotten girl" uncle who came from time-travel looked at them with an indescribable look on his face...