Senator Kim Inbae is one of the minor antagonist in the Mercenary Enrollment. He is a former member of the National Korean Assembly as a Senator. Minimal information isn't shown but it is revealed in the early chapters that he is a corrupted businessman and politician behind the scenes.
He was revealed when Gisu Kim and his gangs especially her daughter Huijin Kim were injured only his has the most critical injuries. His wife made him call Cha Dushik, a former gangster now Mafia Boss of the Dusik Clan used to work for him behind the scenes, it was also mentioned that they aren't aware of Cha Dushik's plan in case their relationships went south.
In the midst that he received a call from Cha Dushik that he explicitly explain that he somehow messed the wrong kid in high school and later was forced to make a decision to send their children abroad in exchanged for the evidence that Ijin Yu has in his disposal but unfortunately news spreaded wildfire and was later removed from political position due to his crimes of Corruption, Bribery and Election Fraud behind the scenes. It has revealed as well that their children was also shown evidence crimes of Extortion, Physical and Psychological Abuse even in involuntarily obstruction of justice. In the later series, he threatened Ijin for ruining his life and sought to Indirectly murder his grandfather paying by hiring one of the lowest dangerous thugs but ultimately stopped by his former Enforcer, Cha Dushik which later backfired as he later possibly killed by Cha Dushik himself before SW Corps arrived even after Ijin left. Which later he ended in jail especially his family.