Elite HID agent Baek Do-gyeong leads a life of lethal precision until he is forced to step into the criminal underworld. After assuming his twin brother’s identity, he must navigate Seoul’s most dangerous syndicates to execute a cold-blooded plan for revenge.

The boundary between law and crime vanishes when a specialized military operative abandons his service to command a massive organized crime network. Trading national intelligence for gang leadership, the protagonist uses elite combat training to maintain a masquerade while hunting those responsible for his brother's fate.

As rival factions threaten his dual life, Agent Baek orchestrates a brutal campaign of vengeance. This gritty series follows his transformation into a syndicate boss, blending high-stakes espionage with the cutthroat politics of the Seoul underworld.

Follow Agent Baek as he assumes his twin brother's identity to rule Seoul's underworld in the action-packed Baek XX manga.

Baek XX, BaekXX, Agent Baek, HID Agent, Seoul Syndicate, Action, Crime Drama, Twin Brothers, Vengeance, Read Baek XX online