Biography
ATBO (에이티비오, stands for "At The Beginning of Originality") was a six-member boy group under IST Entertainment, formed through the survival show "The Origin – A, B, Or What?". The group consisted of Oh Junseok, Ryu Junmin, Bae Hyunjun, Jeong Seunghwan, Kim Yeonkyu and Won Bin. Seok Rakwon left the group on May 06, 2024.
They debuted on July 27, 2022 with the mini album "The Beginning : 開花" with "Monochrome (Color)" as the title track.
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They made their first comeback on October 26, 2022, with the mini album "The Beginning : 始作" with "ATTITUDE" as the title track.
ATBO and JUST B joined forces as a project group under the name of The CrewOne with a shared management through IST Entertainment.
On December 17, 2025, IST Entertainment decided to terminate their management contracts with the group which marked the official disbandment of ATBO.
Biography text from Last.fm, available under CC BY-SA.