IST Entertainment's new boy group ATBO has rolled out a set of debut teaser photos for members Junseok, Junmin, Hyunjun, and Rakwon.

Selected from the Kakao TV survival program 'The Origin', ATBO will be the first boy group to debut launched by IST Entertainment after The Boyz, who debuted in 2017. The group consists of 7-members including Junseok, Junmin, Hyunjun, Rakwon, Seunghwan, Yeonkyu, and Wonbin. 

ATBO will be debuting with the release of their 1st mini album 'The Beginning : 開花 (Gaehwa)' on July 27 at 6 PM KST.