Lee Seungjoon
Birthday: January 13, 1995
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.
Birthday: January 13, 1995
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.
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1](https://image.tmdb.org/t/p/w780/zyN3yVwFR1NoZGgxd77aZ4etce7.jpg)
September 21, 2024
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1](https://image.tmdb.org/t/p/w780/6DhiTgCYAg09SDRLGCktfByp6xD.jpg)
April 06, 2024
April 07, 2024
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]](https://image.tmdb.org/t/p/w780/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
December 12, 2021
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2](https://image.tmdb.org/t/p/w780/whume1STRxwi0EVBYU8ZMk669nG.jpg)
September 22, 2024
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH]](https://image.tmdb.org/t/p/w780/pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg)
May 31, 2025
![2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]](https://image.tmdb.org/t/p/w780/vQmZPhEa8KrUCwrqRqMpl9pube9.jpg)
January 10, 2026
![ONF [FOCUS ON AND OFF]](https://image.tmdb.org/t/p/w780/Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg)
