IST Entertainment's rookie boy group ATBO has released individual concept photos of Ryu Junmin, Bae Hyunjun, Seok Rakwon, and Jeong Seunghwan for their comeback mini album, 'The Beginning: 始作 (Start)'.

Signaling the boy group's first official comeback since debut, 'The Beginning: 始作' is set for release on October 26 at 6 PM KST. So far, the boys of ATBO have been counting down to their comeback with a set of bright and shining concept photos under the late summer sun, emphasizing their pure and youthful vibes. 

Meanwhile, ATBO debuted back in July of this year with their 1st mini album 'The Beginning: 開花 (Bloom)'.

Are you looking forward to ATBO's first comeback since debut?