Killer 0406

I just wrote it casually, I don't know if it's good or not, but this introduction needs 100 words so I had to edit it, otherwise I would be too lazy to write the introduction. There is a very mysterious killer organization in this world. No one knows what this organization is called or where it appears. It's possible that it's around. All the killers and personnel of this organization are people who are chosen to enter people's daily lives. And our protagonist 0406 is one of them. But how was he chosen? We don't know, because all the information about the killers and personnel is classified, so it is currently unknown. 0406 Is a newcomer who has just been in the organization for just one month and is still adapting. Let's take a look at his performance. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.