C101 Promise me with my own body?

After a whole morning of reading, I finally have a rough understanding of the Department of Synthesis. After looking at the information that was passed to me by Zhang Hualin, Sun Xiao Yao and Wu Xia finally have a general understanding of the Department of Synthesis. To put it bluntly, it's just a chore department. I'm the head of chores, but that's much more complicated than I thought