Gyujin

On September 6, 2015, Gyujin's teaser photos for UP10TION's then upcoming debut was released. On September 10, he then debuted as a member of UP10TION with their debut mini album Top Secret. On February 28, 2023, it was announced that Gyujin, along with Kuhn, Kogyeol, Bit-to, and Sunyoul would be leaving the TOP Media but would remain as members of the group under their current seven-member lineup.