Lee Seung-jun

Lee Seung-jun

Known for: Acting

Born: January 12, 1995 in 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. Where to watch the TV shows and films of Lee Seung-jun free? Click the title of the series or movies below to watch them in HD for free on SFlix.

Known for

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온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1

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온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1

SEUNGJUN

온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1

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온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1

SEUNGJUN

온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2

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온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2

SEUNGJUN

ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]

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ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]

SEUNGJUN

온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2

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온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2

SEUNGJUN

2025 ONF CONCERT [THE MAP:STRANGER’S PATH]

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2025 ONF CONCERT [THE MAP:STRANGER’S PATH]

SEUNGJUN

2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]

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2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]

SEUNGJUN

Idol Radio

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Idol Radio

Special DJ

Can I Step In?

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Can I Step In?

Kwon Sang Hae

Weekly Idol

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Weekly Idol

Self

Road to Kingdom

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Road to Kingdom

Self - Contestant

ONF [FOCUS ON AND OFF]

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ONF [FOCUS ON AND OFF]

SEUNGJUN

Dive Into ONF

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Dive Into ONF

Self

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Star Road

The Silence Of IDOL

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The Silence Of IDOL