It was written based on the theme of "Unresolved love between humans and ghosts" in XQ's post about writing.
It also happened that I just read one of the many experiences written by a certain netizen on Tianya Lianpeng Guihua, and I particularly liked it. It was probably about seeing a young man in white standing alone in front of a window with no view of the scenery on the second floor of an old school building.
Because of my unique feelings, I wrote this short story.
Of course, the one I sent out was modified and processed by me later.
Conception: