Jiseong

He debuted as a member of NTX with their first mini album, Full of Lovescapes, on March 30, 2021. On August 9, 2021, he was introduced as the 9th contestant of the survival show Wild Idol. During the show's finale, he was revealed to have ranked 3rd overall, thus making him a member of TAN.

They debuted with their first mini album Limited Edition '1TAN on March 10, 2022. On June 29, 2024, leader Changsun announced on TAN's official fan cafe that the group had disbanded. Victory Company later announced that Jiseong will not participate in NTX's upcoming comeback and will be taking time to rest before resuming his activities with the group.