Personal Info
Known For
Acting
Born
1995-01-13
Place of Birth
Seoul, South Korea
Lee Seungjoon
Biography
Lee 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.
Gallery
Known For
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]](https://image.tmdb.org/t/p/w300/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH]](https://image.tmdb.org/t/p/w300/pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2](https://image.tmdb.org/t/p/w300/6DhiTgCYAg09SDRLGCktfByp6xD.jpg)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2](https://image.tmdb.org/t/p/w300/whume1STRxwi0EVBYU8ZMk669nG.jpg)
Acting History
2025
2025 ONF CONCERT [THE MAP:STRANGER’S PATH] as SEUNGJUN
2024온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2 as SEUNGJUN
2024온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1 as SEUNGJUN
2024온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2 as SEUNGJUN
2024온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1 as SEUNGJUN
2024ONF [FOCUS ON AND OFF] as SEUNGJUN
2021ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE] as SEUNGJUN
2021Dive Into ONF as J-US
2020Can I Step In? as Kwon Sang Hae
2020Road to Kingdom as Self - Contestant
2018Idol Radio as Special DJ
2018Star Road
2011Weekly Idol as Himself