Read Under Doctor online manga in English, a medical action story with supernatural healing. Under Doctor Haiji is a legendary underworld physician seeking to save lives. He utilizes unconventional medical skills to treat patients within a dangerous criminal society. The underworld operates under a strict hierarchy where only the strongest survive. Dangerous gangs and ruthless mercenaries constantly threaten the safety of his secret clinic. A mysterious conspiracy involving high-profile targets lurks behind every difficult surgical procedure. Haiji is currently performing a life-saving operation while defending against lethal assassins.