Actor
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.
4.1·2020
9.4·2020
5.0·2026
5.0·2025
2024
2021
2020
2018
![2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]](https://wsrv.nl/?url=image.tmdb.org/t/p/original/vQmZPhEa8KrUCwrqRqMpl9pube9.jpg&w=1920&we&output=webp&q=74)
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH]](https://wsrv.nl/?url=image.tmdb.org/t/p/original/pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg&w=1920&we&output=webp&q=74)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2](https://wsrv.nl/?url=image.tmdb.org/t/p/original/whume1STRxwi0EVBYU8ZMk669nG.jpg&w=1920&we&output=webp&q=74)
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1](https://wsrv.nl/?url=image.tmdb.org/t/p/original/zyN3yVwFR1NoZGgxd77aZ4etce7.jpg&w=1920&we&output=webp&q=74)
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2](https://wsrv.nl/?url=image.tmdb.org/t/p/original/6DhiTgCYAg09SDRLGCktfByp6xD.jpg&w=1920&we&output=webp&q=74)
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]](https://wsrv.nl/?url=image.tmdb.org/t/p/original/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg&w=1920&we&output=webp&q=74)
![ONF [FOCUS ON AND OFF]](https://wsrv.nl/?url=image.tmdb.org/t/p/original/Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg&w=1920&we&output=webp&q=74)
