- Korean Name:
- 승준
- Native Name:
- Lee Seung-jun
- Languages:
- Korean, basic Japanese
- Group:
- ONF
- Position:
- Leader, Lead Dancer, Sub Vocalist
- Birthday:
- Jan 12, 1995 (31 years old)
- Height:
- 174 (5ft 9in)
- MBTI:
- ENFP
- Origin:
Seoul, South Korea- Bio:
- Seungjun acts as the foundational pillar for ONF's performance-heavy OFF Team. He officially changed his stage name from J-Us to his birth name, Seungjun, in January 2024. He trained for five years before debut, building up intense stamina and choreography precision. Fans frequently nickname him the "Spark Leader" or "Maltese" due to his incredibly bright, talkative, and highly affectionate personality. He shares a famous "10-year friendship" history with ON Team Leader Hyojin, as the two went to the same middle school and high school, trained together, and ultimately debuted in the same group.
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