Global System, There Is No Immortality Without a System

A college student from modern times travels to the future and starts a systematic cultivation of immortality around the world. But I am the only one without a system. "Senior Brother Lin, let me drag you into the group." "It's strange that the system prompts that the user has not found the user terminal yet... Brother, what is your system serial number?" "I don't have a system serial number!" "So you are the only one without a system!"