Oh Jin-seok is a talented South Korean singer, dancer, actor and model who gained public recognition on the Mnet show Dancing 9 in 2013. After Dancing 9, he transitioned into acting, appearing in various productions including the Netflix series Mask Girl and the drama Heavenly Idol. He also pursued his musical career, releasing music under the stage name O.B.O.N. and performing on platforms like his personal YouTube channel. He Appeared on survival show Boys24. He was a member of Unit Yellow on Boys24 and the Main Rapper of Unit Black before leaving the show early. Jinseok also debuted as a solo artist with the song "Good Time" in 2019 and was a trainee at YG Entertainment prior to his career. In April 2025, he signed with Takiel Records and was set to begin full-fledged fan activities.

Filmography

• Bloodchain — Cha Do-hyun
• Bulk Up — Kim Soo-in
• Match Play — Moon Do-ha
• Boys' Voice — Self, Creator
• Mask Girl — Prince member
• 2023Our Song — Yo-sep
• 2023The Ghost Station — Seung Joon
• The Heavenly Idol — Oh Jung-shin
• Sh**ting Stars — Han Yoo-suk
• Woof & Meow – Do you Love Me?
• 2020The Man Standing Next — Wiretapping Team
• Love Playlist — Choi Jae-hyuk

Appearances as themselves (2)

• BOYS24 — Self - Contestant
• After School Club — Self