Kim Nam Hyung and Jung Dong Soo have made their debut as a duo!
On August 3, the former Produce 101 Season 2 contestants dropped the music video for their title track.
FLEX is a bright track written together by the members themselves, and the music video showcases them enjoying some playful summer fun.
Kim Nam Hyung and Jung Dong Soo previously debuted with idol group OFFROAD in 2012. Their new group name AA represents their stage names ARKAY and ADDCORN.