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Korean: 준석
Jeju-do
South Korea
Oh Junseok (오준석) is the Leader of the South Korean boy group ATBO under IST Entertainment. He was a contestant on “THE ORIGIN – A, B, OR What?” and debuted with ATBO by placing second place with a total of 1710 points.
Junseo
Siwoo
Chael
Seongmo
Yongseung
Tabber
Seo In-guk
Hyunseong
Members:
…
Single album 18 hours
Mini album 1 day
Full album 2 days