He is best known for being a member of the South Korean project boy band JBJ,[2] and for finishing 21st in the survival show Produce 101 Season 2.

[citation needed] Jin made his solo debut on June 13, 2018, with "Clover" featuring Yoon Mirae and made a comeback on August 29, 2019, with "Irresistible."

On November 11, 2018, Jin posted a picture of a handwritten letter denying dating rumors with Sonamoo's Nahyun and explaining the controversy of one of his cats:[3] his old cat was put up for adoption but ran away.

[4] When found, his ear had been clipped, to show he was considered a stray and was recently sterilized,[5] implying mistreatment from Jin.

[6] The same day, more controversies arose after Jin's private Instagram was hacked and its contents released, with claims of bullying other JBJ members, misogyny, and disrespect towards fans.