Gang Yong was the top disciple of a legendary martial arts master who was betrayed and murdered by his own subordinates. After years of intense training in seclusion to master his master’s devastating techniques, Yong emerges with one goal: blood-soaked revenge. However, when he reaches the town where his enemies reside, he discovers they have already passed away or disappeared. With his life's purpose seemingly gone, he takes a job as a delivery boy for a dumpling shop. This visually stunning masterpiece follows a protagonist who hides his world-shattering power behind a chubby, cheerful exterior, only to unleash heaven-shaking martial arts when the past inevitably catches up to him.

Alternative Names: Gosu, The Master, Go-su, El Maestro, 고수 (Gosu), Gosu: The Master, Госу, جاشو, ک استاد, Косу.

Genre: Action, Adventure, Comedy, Martial Arts, Shonen.

Author: Ryu Ki-woon (Story), Mun Jeong-hoo (Art).

Status: Completed.