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Oh Sung Jun (오성준) is a South Korean singer under P NATION. He is a member of the boy group TNX.


2021: LOUD

On May 20, he was revealed as a contestant for SBS's audition show LOUD.[1] During the tenth episode, which was aired on August 7, he received the casting offer from both P NATION and JYP Entertainment, but ended up accepting the casting offer from P NATION.[2] In the final round he was recruited by Psy, thus being announced as part of the group.

2022: Debut with TNX

He debuted as a member of TNX on May 17, 2022 with the mini album Way Up.


Other releases


Reality shows

  • LOUD (SBS, 2021) - contestant


  • His MBTI personality type is ENFP.[3]
  • His hobby is nunchaku.[3]
  • His favorite food is home-cooked meals especially made by his parents.[3]
  • He pours milk before cereal.[3]
  • He wants to dye his hair bright colors.[3]
  • His favorite colors are yellow and black.[3]
  • He likes to wear big and baggy clothes.[3]
  • His hobby is listening to music and getting into the rhythm of it.[3]
  • His dream is to become an artist loved by everyone.[3]
  • Before stage he likes to tease Kyungjun for being nervous.[3]
  • Sometimes he talks in his sleep[3]