Groups in the series.
“Detective Groups are organizations that are headed by super-intelligent detective heads. Most of...Detective Groups
“The HG Garden is a detective group whose existence was unknown until later on. Their detective...HG Garden
“The Andersons is a Detective Groups whose main purpose is to hide as vigilantes and solve crimes...The Andersons
“The CQUAD is one of the Detective Groups in the series. Their main focus is much like that of...CQUAD