流星花園
With Kim Hyun-joong busy filming with "Boys Over Flowers", and Park Jung Min with his musical debut in "Grease" as "Danny Park", the remaining three members formed 'SS501 Project Group' with Heo Young-saeng as the leader. They released a project album named "U R Man" in November 2008, with a high tempo dance track "U R Man", which the three remaining SS501 members promoted by themselves, with the exception of some special performances that included all five band members. The project group also performed "U R Man" in episode four of "Boys Over Flowers", where they appeared for a cameo performance.