Because he had nothing to do and was bored, Zhang Youwei traveled through time and became an observer to help suffering lovers so as not to appear to have nothing to do.
Couples, due to various realities, you are separated, but you still love each other or are waiting for each other, so Zhang Youwei is here.
Your wishes will be fulfilled by Zhang Youwei.
Purpose: I wish all lovers in the world to get married eventually, and we will fulfill your wishes.