Who is the youngest millionaire in Korea?

Could you please provide me with some insight on the question, "Who holds the title of the youngest millionaire in Korea?" I'm particularly interested in knowing about their background, how they achieved such a significant milestone at such a young age, and what industries or fields they might be involved in. Could you also elaborate on any unique strategies or innovations they might have employed to achieve their wealth? Additionally, I'm curious to know if there are any inspiring stories or lessons learned from their journey that could be shared?