I am Chen Dou, who collects scraps. The day I dug out this tattered book, the cover was stamped with "Thirteen Tricks and Secrets."
If you stick to one rule, you can fight against dirty things; if you make a mistake, the red line on the back of your neck will cut directly into the flesh.
The sullen programmer Lin Po said these were the rules of ancient sacrificial rituals, and the tough guy Zhang Tie clutched his military spur and said he would accompany me through the muddy waters.
But the more they investigate, the more something is wrong - by the time the thirteen chapters are solved, will the human world become their altar?
