They Threw Him in the Deadliest Prison, So He BECAME the BOSS

What the story is about

Yu Fei, a nameless street child with a fierce instinct for violence, is sent to prison and quickly earns the nickname “Mad Dog.” After finding brotherhood with prison boss Qin Kuan and his loyal right-hand man Yuan Gang, Yu Fei is drawn into the dangerous world of organized crime, where the group struggles to survive, build influence, and seek a fresh start in another city.