A'ST1 (에이스타일 - pronounced A Style) was a 6-male group composed of Korean members Park Jung Jin, Byun Jang Moon, Sung In Kyu and Lim Han Byul, Japanese member Tomo and Chinese member Haiming, formed in 2008 The members received 3 years training in Korea to prepare for their debut. The label boasts that the group has already received requests to appear in television shows in Hong Kong and China. A'ST1 disbanded on 29th November 2009.

Read more about A'ST1 on Last.fm.