Ong Seong-wu, Date of Birth, Place of Birth
TweetOng Seong-wu
South Korean singer
Date of Birth: 25-Aug-1995
Place of Birth: Incheon, South Korea
Profession: singer
Nationality: South Korea
Zodiac Sign: Virgo 
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About Ong Seong-wu
- Ong Seong-wu (Hangul: ???, born August 25, 1995) is a South Korean singer and actor.
- He is known for his participation in the survival reality show Produce 101 Season 2, where he finished in fifth place, and is a former member of the show's derivative boy group Wanna One.
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