Sennyuu Tantei Tokage (2013)

-Both are detective dramas.
-Both have a personal subplot.
-Easy to watch.
-Interesting main characters.

Both male protagonist have a cool demeanour, is fighting for something (a goal to reach). Both dramas have cool "agent" scenes and a female protagonist that fall in love with the male protagonist.

both are detectives of some sort but aren`t police. have a police contact though. both wear disguises to solve cases

both are detectives of some sort but aren`t police. have a police contact though. Both are part of a special investigation team.