Both have a rich ML who is a cop.
however, in the good detective he was already a cop but got inheritance from his rich uncle.
In flex X cop he is an illegitimate son of a chaebol enjoying the rich life, but he causes trouble and is forced to work as a detective.
Both have a dysfuntional chaebol family that is an important part of the plot.
Both have their own traumas that affected them deeply and caused insomnia.
however, in the good detective he was already a cop but got inheritance from his rich uncle.
In flex X cop he is an illegitimate son of a chaebol enjoying the rich life, but he causes trouble and is forced to work as a detective.
Both have a dysfuntional chaebol family that is an important part of the plot.
Both have their own traumas that affected them deeply and caused insomnia.