There is no turning back the clock in solo leveling.
This is a time back story where in future everyone has become strong with their hard work and this boy will come back in time and block everyone's path of becoming strong with the knowledge of the future and will manipulate everyone. And all the strong peoples of the future will be dependent on it to help in the present
This is a time back story where in future everyone has become strong with their hard work and this boy will come back in time and block everyone's path of becoming strong with the knowledge of the future and will manipulate everyone. And all the strong peoples of the future will be dependent on it to help in the present