In this world, not only ordinary humans exist, but there is also a group of genetically superior people who hide among humans. Although they live ordinary lives, there are also incidents of ambition to use superior genes to harm ordinary humans. Therefore, superior humans around the world have spontaneously established an organization to investigate these harmful events caused by superior people. Thus, this quaint club located in City D, Province L, China, was born. On the vermilion plaque were written seven characters in bold calligraphy: The 19th branch.