Min Yoongi's station sister Jin Yuanxing accidentally crossed over to Dahei director Song Yuanxing. In the process of finding a way to return to normal time and space, Yuanxing has been actively helping Min Yoongi, using what he knows about the future to act as a confidant and guide for Min Yoongi, but Yuanxing will eventually return to his own time and space. Does Min Yoonqi in that time and space still remember everything that happened...
Intention: There are many times when you cannot change the future even if you know it. What is more important is to seize and cherish the present.