I don't know what makes them chase each other fiercely, like the cicada sloughs dried on the branches, left behind in the summer.
Ps: It's a pit of failure, but because I like the story very much, I'd better give it a read. I like uu who likes rigorous and meticulous writing.
If I have the chance, I will fix the pitfalls of this article in the future.
Intention: Regrets cannot be made up for, and there will be no happiness in the future