Silly Boy and His Cold-Faced Killer

I Want a Killer Vest Shuang Nan's Articles

I want to see content similar to "Mr. Gu, the canary has fallen off the horse and you are still kneeling". Is there anything similar to the book below? I've been looking for it for a long time and I've seen this one. Please recommend the killer. I'm looking for a book about two men.