He never returned home, he was just a passerby.
(Ps: This sentence is adapted from the last sentence of "Error" by Zheng Chouyu, "I am not a returnee, but a passerby." I forgot to write it before, sorry.
Pps: I wrote a new short story about Fantasy City Mortal World. If you are interested, you can click on the author's column to have a look~)