Missing Noir M

Both male lead supposing genius.
Lots of action, mystery and action
Good acting, fast pace korean drama.

Both are thrilling, highly mysteric... detective..
kind a putting missing puzzles in the board..
Lov both dramas ????????

They have similarities in detective, investigation, mystery. The main characters have similar mindsets and experiences. In both serials, the drama is handled well and the issue of trust is on the foreground.