C913 Secret Letter

After a year of work, Xu Yan didn't show much of a trace. At most, there were some more solid marks on his face.

Honestly, if I look back now, Xu Yan can see the problem. Even before, he had the same feeling that he was not completely mature, and to them at that time, perhaps he could become more powerful at the same time, or perhaps he had many tricks up his sleeve. At such a time