NRG

NRG is a South Korean K-pop band formed in 1997 by Music Factory Entertainment. The group rose to fame with their debut song, "I Can Do It."
In 1999, members Myunghoon and Sungjin left the group, while the other three released the album "NRG 003." After member Hwansung tragically died of pnemonia in 2000, Myunghoon and Sungjin rejoined the group for their memorial album, "Sorrow." 
The group made an official come back with "Hit Song" in 2003, which ranked #1 on the music charts.
Following the departure of Sunghoon, the 3 remaining members released 1 more album before disbandment. In 2017, NRG announced a new album would be released on the 20th anniversary of debut.