Jeong Sewoon Profile: Jeong Sewoon Facts Jeong Sewoon (정세운) is a South Korean solo singer under Starship Entertainment. Jeong Sewoon debuted on August 31, 2017. Official Fandom Name: LUCKY (Haengwoon) Official Fan Colors: Pantone 531, Pantone 134, and White silver sparkle Stage Name: Jeong Sewoon (정세운) Birth Name: Jeong Sewoon (정세운) Birthday: May 31, 1997 Zodiac … Continue reading Jeong Sewoon Profile and Facts