He is a heavy rain in summer. Being caught off guard drenched his world and made him miserable.
But after all, he was just an ordinary passerby in his life, who happened to like rain and passed by in the rain.
*Remember two consecutive dreams:
A rain and a silhouette.
Probably a period of youth.
It probably feels like Li Yu's "Lang Tao Sha Ling·The Gurgling Rain Outside the Curtain".
Idea: If you can't hold the sand, why don't you just spread it?