Parallel universes are often used to illustrate that different processes of an event or the subsequent development of a different decision exist in different parallel universes.
The two traveled through parallel time and space because of their longing. They returned to the past and made different choices, and the destined encounter guided them.
When Zheng Shuang is no longer a star,
When Yang Yang was just a new singer,
Let's see how the two get around the entertainment industry as rookies.
I'm a newbie, my writing is mediocre, so please forgive me.