I, the Executioner

- vigilante male leads
- both being police officers
- killing of criminals who were freed from the prison due to bad justice system
- media glorifying the vigilante

Same sort of morally grey MC who murders people that seem to avoid the law and makes you question whether it is morally right or not

They both have a similar plotline of betrayal at the end. Both have an overarching villain trying to be arrested and the detective in charge seeking help from unexpected avenues.

Both have strong depictions of teamwork and friendship in the investigative team even with push back from bosses. They both involve detectives working difficult cases and include some humorous interactions within the team.