There is no chance of a do-over in the world, but if you look at it from the perspective of a bystander, you will find that some things are destined to be unchangeable; even if you can do it again, some things cannot be changed if you want to; everything has its original trajectory, but the length of time is different.
Purpose: To guide Ning Ran to see his own heart clearly, to gain his own experience, to dare to break away from the shackles of the world, and to pursue what he wants.