One day Kurosawa received a call from his section chief saying
Ah Zhen, I heard that there is an international organization that is very powerful, why don't you go undercover?
Kurosawa Formation: Haha
Why would I want to be an undercover agent in an organization that studies immortality when I'm obviously just a civilian employee of the Special Agents Section?
Zhu Fu Jingguang, do you still need members in your armed detective agency?
Purpose: Gin wants a bonus