SS501's Kim Hyun Joong recently dropped his 2nd mini-album 'Lucky'�and made his comeback performance on Mnet's M! Countdown with "Lucky Guy" on October 20th. The mini album has been performing well on the charts in Korea, and now the single has�placed 5th on�Billboard's World Album Chart. Congratulations to Kim Hyun Joong on this achievement! Source: Billboard [ Thanks to everyone who sent this in ]