C131 Unexpected discovery (2)

The letter was sealed with fire paint, and on the envelope was the picture of the dragon. It was the totem of the Great Qin Nation. And only the aristocrats of the Great Qin Nation could use that kind of paper.

"This is?"

"Senior Sister Mu has always been smart. You'll know the origin of this thing better than I do." This is only a small part of my heart