Lee Seung-jun
Acting
Born: January 13, 1995
Birthplace: Seoul, South Korea
Lee Seung-jun, known mononymously as Seungjun and formerly known as J-Us, is a South Korean singer and lyricist under KI Entertainment. He is a member of the boy group ONF and its OFF team sub-unit.
Filmography (15 titles)
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Weekly Idol
2011TV
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Star Road
2018TV
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Idol Radio
2018TV
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The Silence Of IDOL
2020TV
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Road to Kingdom
2020TV
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Can I Step In?
2020TV
![Watch 2025 ONF CONCERT [THE MAP:STRANGER’S PATH] (2025) online free in HD](https://image.tmdb.org/t/p/w342/pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg)
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2025 ONF CONCERT [THE MAP:STRANGER’S PATH]
2025Movie
![Watch ONF [FOCUS ON AND OFF] (2024) online free in HD](https://image.tmdb.org/t/p/w342/Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg)
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ONF [FOCUS ON AND OFF]
2024TV
![Watch 2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON] (2026) online free in HD](https://image.tmdb.org/t/p/w342/vQmZPhEa8KrUCwrqRqMpl9pube9.jpg)
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2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]
2026Movie
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Dive Into ONF
2021TV
![Watch 온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1 (2024) online free in HD](https://image.tmdb.org/t/p/w342/6DhiTgCYAg09SDRLGCktfByp6xD.jpg)
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온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1
2024Movie
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온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2
2024Movie
![Watch ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE] (2021) online free in HD](https://image.tmdb.org/t/p/w342/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
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ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]
2021Movie
![Watch 온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2 (2024) online free in HD](https://image.tmdb.org/t/p/w342/whume1STRxwi0EVBYU8ZMk669nG.jpg)
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온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2
2024Movie
![Watch 온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1 (2024) online free in HD](https://image.tmdb.org/t/p/w342/zyN3yVwFR1NoZGgxd77aZ4etce7.jpg)
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온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1
2024Movie
