Very touching drama, same plot based on the friendship of two neighbors where the female lead is going to risk everything for the teeneger boy who lives downstairs.
(Less action scene than The man from nowhere but still a lot of misteries).

A group of criminals join hands with police . A good and funny drama about friendship and frauds, with action, mystery, crime and funny moment.

Both male leads are living in a parallel reality, both dramas have violent crimes in common and police investigations.

Both dramas have cold, brilliant male leads working on IT company, living an unsocial life and disliking romantic relationship (both for different reason).

-For some circumstances both female leads want to spend a night with the male lead.

-Both have a superstitious element.