A Killer ParadOx (살인자O난감)

Netflix K-Drama 

An ordinary young man suddenly becomes a serial killer. Coincidentally, all those killed were criminals. It is quite interesting and worth watching as the hidden secrets of the detective who pursues the cases, the person who helps the main character, and another secretive older killer are revealed. Choi Woo-sik, who played a passionate role in the movie ‘Parasite’, is the main character.