Seungjun

Seungjun is a South Korean singer and rapper. He is best known as a member of the K-pop boy group ONF. He was born on May 12, 1995.

Prior to his debut with ONF, Seungjun was a trainee under WM Entertainment. He was revealed as a member of the group in June 2017. ONF officially debuted on August 2, 2017, with their mini-album "ON/OFF".

Within ONF, Seungjun is recognized for his energetic stage presence and rapping skills. He has participated in the songwriting and production of several of the group's songs. He is also known for his distinct visual appeal and charismatic personality.

Seungjun has been an active participant in ONF's discography, which includes multiple mini-albums and single albums. The group has gained a significant following both domestically and internationally for their unique musical concepts and performances. He is also known by his stage name J-US.