Name: Chang-Min Age: 32 Job: Chef Character Role: Ji-Woo's mentor and father figure Appearance: Stout and jovial, with a warm smile Personality: Generous, wise, and jovial Background: Chang-Min took Ji-Woo under his wing during his early years as a struggling medical student. His guidance and support were instrumental in shaping Ji-Woo's character, and he continues to be a source of wisdom and comfort for the brothers.