Ruler of All Realms: Save Li Tang from Today

Why do others talk about soul travel, but I have to take this old body with me? Thinking about how charming I was when I was young, now there are adopted sons everywhere. Is the old man I replaced in this world a white-bearded one? But it feels good. There are adopted children all over the world and it is convenient to go anywhere. Now that the system has been activated, from today on, I will save the world of Li Tang step by step! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.