LC9 (Korean: 엘씨나인) was a South Korean pop boy band formed by Nega Network. The group initially consisted of six members until member E.Den left to pursue his studies. Their name, LC9, means League of Competition #9. They debuted on May 9, 2013 with "MaMa Beat" on Mnet M! Countdown. The music video was released on the same day.
On January 23, 2016, the group's label announced that LC9 disbanded. Their contract wasn't renewed back in December 21, 2015, which led the group to an end.