Our lovely Winwin~!
Stage Name: WinWin (윈윈)
Birth Name: Dong Si Cheng (董思成)
Korean Name: Dong Sa Sung (동사성)
Position: Lead Dancer, Vocalist, Visual
Birthday: October 28, 1997
Zodiac Sign: Scorpio
Blood Type: B
Height: 178 cm (5’10”)
Weight: 60 kg (132 lbs)
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