LC9 – League of Competition #9 (엘씨 나인)
- Debut (Y.M.D): 13.05.09
- Disbanded (Y.M.D): 15.12.21
- Label: Nega Network
- Music Videos (Official Videos): MaMa Beat, East of Eden (에덴의 동쪽)
- Discography: Skirmish, East of Eden (에덴의 동쪽 – digital single)
- Fan Club: Love Beat
- Symbol:
OFFICIAL YOUTUBE CHANNEL!!!! (LC9)
MEMBERS:
- Name (Real Name): Rasa (Park Gunwoo)
- Hangul: 라사
- Position: Leader, Vocal, Rap
- Birthday (Y.M.D): 89.08.09
- Nationality: Korean
- Height: 177cm (5ft 9in)
- Weight: 70kg (154lbs)
- Blood Type: B
- Sub-Unit: N/A
- Name (Real Name): J-Hyo (Kim Jong Hyo)
- Hangul: 제이효
- Position: Vocal, Rap
- Birthday (Y.M.D): 92.06.05
- Nationality: Korean
- Height: 175cm (5ft 8in)
- Weight: 64kg (141lbs)
- Blood Type: AB
- Sub-Unit: N/A
- Formerly Of*: Circus Crazy as Ki-zo
- Currently In*: LU4US as Jong Hyo
- Name (Real Name): King (Dong Woo Seok)
- Hangul: 킹
- Position: Vocal
- Birthday (Y.M.D): 93.04.03
- Nationality: Korean
- Height: 180cm (5ft 10in)
- Weight: 68kg (150lbs)
- Blood Type: A
- Sub-Unit: N/A
- Currently In*: Circus Crazy as Dingo, From Mars
- Name (Real Name): Jun (Park Jun Young)
- Hangul: 준
- Position: Vocal
- Birthday (Y.M.D): 94.02.23
- Nationality: Korean
- Height: 176cm (5ft 9in)
- Weight: 57kg (126lbs)
- Blood Type: A
- Sub-Unit: N/A
- Name (Real Name): AO (Kang Hyun Su)
- Hangul: 아오
- Position: Vocal
- Birthday (Y.M.D): 96.06.18
- Nationality: Korean
- Height: 175cm (5ft 8in)
- Weight: 59kg (130lbs)
- Blood Type:
- Blood Type: O (formerly: A)
- Sub-Unit: N/A
- Formerly in*: BLK as D.A
- Currently In*: NIK as Hyeong Su
FORMER MEMBERS:
- Name (Real Name): E.DEN (Park Hyung Jin)
- Hangul: 이든
- Position: Rap
- Birthday (Y.M.D): 91.03.04
- Nationality: Korean / Korean-Canadian
- Height: 182cm (5ft 11in)
- Weight: 70kg (154lbs)
- Blood Type: O
- Sub-Unit: N/A