Hong Seong Jun (홍성준)
- Debut (Y.M.D): 24.06.04
- Latest Album Released (Y.M.D): 24.06.04
- Label: Independent
- Music Videos (Official Videos): N/A
- Discography: I’m
- Fan Club: N/A
- Symbol: N/A
OFFICIAL SITES:
MEMBERS:
- Name (Real Name): Seong Jun (Hong Seong Jun)
- Hangul: 성준
- Position: Vocal, Dance
- Birthday (Y.M.D): 99.03.14
- Nationality: Korean
- Height: 175cm (5ft 9in)
- Blood Type: A
- MBTI: ENFP
- Sub-Unit: N/A
- Formerly of*: BDC