Cheng Huai: Former doctor, later turned to freelance photography due to psychological reasons, and later became He Luyuan's assistant, died behind the male protagonist
He Luyuan: Literary actor, died of illness, but he chose sky burial + this is also the origin of the name Shanhai
(This is a mess of ideas, please enjoy it. If you have any questions, feel free to ask. I wish you all a happy viewing.
Intention: The long journey is awe-inspiring to the mountains and seas, and nature. Cheng Huai is willing to accompany him there.