Lee SeungjoonActingJanuary 13, 1995 (31 years old)Seoul, South KoreaPopularity: 0BiographyLee Seung Jun, better known by his stage name J-US, is the leader, vocalist and dancer of the boy group ONF. On December 27, 2021, he enlisted as an active-duty soldier.Also Known AsJ-US • 제이어스 • 이승준 • Lee Seung Jun • Ли Сон ЧонRecent & Upcoming5.02026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]SEUNGJUN • Jan 20265.02025 ONF CONCERT [THE MAP:STRANGER’S PATH]SEUNGJUN • May 2025온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2SEUNGJUN • Sep 2024온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1SEUNGJUN • Sep 2024Known ForIdol RadioSpecial DJStar Road9.4Road to KingdomSelf - ContestantONF [FOCUS ON AND OFF]SEUNGJUN4.1Can I Step In?Kwon Sang HaeONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]SEUNGJUNDive Into ONFJ-US온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2SEUNGJUN5.02026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]SEUNGJUN온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1SEUNGJUN온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2SEUNGJUN온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1SEUNGJUNFilmographyMovies7TV Shows6AllCast7CrewBrowse All2020s5.02026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]SEUNGJUN5.02025 ONF CONCERT [THE MAP:STRANGER’S PATH]SEUNGJUN온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2SEUNGJUN온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1SEUNGJUN온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2SEUNGJUN온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1SEUNGJUNONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]SEUNGJUN
![2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON] movie poster (2026)](https://image.themoviebrowser.com/movie/1613620/poster.webp)
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH] movie poster (2025)](https://image.themoviebrowser.com/movie/1491059/poster.webp)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2 movie poster (2024)](https://image.themoviebrowser.com/movie/1360047/poster.webp)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1 movie poster (2024)](https://image.themoviebrowser.com/movie/1359595/poster.webp)
![ONF [FOCUS ON AND OFF] series poster (2024)](https://image.themoviebrowser.com/series/273755/poster.webp)
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE] movie poster (2021)](https://image.themoviebrowser.com/movie/1239784/poster.webp)
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2 movie poster (2024)](https://image.themoviebrowser.com/movie/1285370/poster.webp)
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1 movie poster (2024)](https://image.themoviebrowser.com/movie/1359602/poster.webp)