Lee Seungjoon
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.
Cast
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1
(SEUNGJUN)
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1
(SEUNGJUN)
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2
(SEUNGJUN)
ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]
(SEUNGJUN)
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2
(SEUNGJUN)
2025 ONF CONCERT [THE MAP:STRANGER’S PATH]
(SEUNGJUN)
Idol Radio
(Special DJ)
Can I Step In?
(Kwon Sang Hae)
Weekly Idol
(Himself)
Road to Kingdom
(Self - Contestant)
ONF [FOCUS ON AND OFF]
(SEUNGJUN)
Dive Into ONF
(J-US)
Star Road