Introduction to Seongjun
Hong Seongjun (홍성준) is a Trainee under Brand New Music. He is best known for appearing in the hit survival show, Produce X 101. Seongjun is set to debut on a project group with labelmates Sihun and Junghwan.
Age
21
Agency
Brand New Music
Height
5'9" (175 cm)
Language(s)
Korean
Kpopping Rank
not ranked
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