Preface: The setting of this article mainly follows the original work, interspersed with the plot of the movie;
The title comes from a poem by Liu Mengli: Who says goodbye and has no regrets in the end, who will return to the dream in the clear night of the cold moon;
I just suddenly thought of it one day and used it.
Also: The character belongs to Gu Longda, and OOC belongs to me~
Intention: to be added