WproducerWoo-yeong Lee5 creditsNo biography recorded yet.Crew (5)You Know What? It's a SecretYou Know What? It's a Secret1990 · producerDamdadiDamdadi1989 · producerFlower of GangnamFlower of Gangnam1989 · producerOh seung-gun han eum-gunOh seung-gun han eum-gun1988 · producerHero Chun-pungHero Chun-pung1987 · producer