Kill Boksoon is a 2023 South Korean action thriller film directed and written by Byun Sung-hyun, starring Jeon Do-yeon, Sul Kyung-gu, Kim Si-a, Esom, and Koo Kyo-hwan. It premiered on Netflix on March 31, 2023. From Wikipedia
The first look introduces Yim Si-wan’s assassin Han-ul alongside rivals Jae-yi and Dok-go as a rule-bound killer syndicate descends into disarray.
