|Origin||Seoul, South Korea|
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.
2013–15: Career beginnings
This section needs expansion. You can help by adding to it. (August 2015)
Around April, Nega Network announced that they would be debuting a male group, currently nicknamed Brown Eyed Boys inspired by their fellow label seniors Brown Eyed Girls. After a series of teasers introducing each of the members, they made their official debut as LC9 on May 9, 2013 with their first mini album Skirmish, with the title track "MaMa Beat" featuring label-mate Gain. On the same day, LC9 held their debut stage on Mnet M! Countdown.
- Rasa – leader, vocals, rapper
- J-Hyo – vocals, rapper
- King – vocals
- Jun – rapper
- AO – vocals, rapper 
- E.Den – rapper
|Title||Year||Peak chart positions||Sales||Album|
|"MaMa Beat (feat. Gain)"||2013||86||46,374 (digital)||Skirmish|
|2013||"MaMa Beat (feat. Gain)"||4:03|
|"MaMa Beat (feat. Gain) (Dance ver.)"||3:23|
|"Just A Dream (Cover of Nelly)"||4:05|
|"What Makes You Beautiful (Cover of One Direction)"||3:22|
|2014||"East of Eden"||3:39|
- "LC9 Reveals Last Member E.Den – 2011 Soompi Ullzzang Winner". soompi.com. May 8, 2013. Retrieved 2013-05-19.
- "'Brown Eyed Boys', New Artist_9 reveal full debut teaser". April 23, 2013. Archived from the original on June 29, 2013. Retrieved 2013-06-30.
- "Rookie Group LC9 Unveils Violent and Bloody MV for "Mama Beat"". soompi.com. May 8, 2013. Retrieved 2013-05-19.
- LC9 공식팬카페 (in Korean). Nega Network. January 23, 2016. Retrieved January 24, 2016. (Registration required (help)). Cite uses deprecated parameter
- "LC9 Profile". Nega Network Official Website. Archived from the original on April 2, 2015. Retrieved July 30, 2014.
- "Gaon Monthly Albums Chart" (in Korean). Gaon. Archived from the original on January 19, 2012. Retrieved June 6, 2013.