Lex

On May 20, he was revealed as a contestant for SBS's audition show LOUD. During the tenth episode, which was aired on August 7, he received and accepted the casting offer from JYP Entertainment. Unfortunately, he was eliminated in the final round.

Sometime in March 2022, he became a trainee under One Cool Jacso Entertainment. On May 25, 2022, he was revealed as a member of the pre-debut group OCJ NEWBIES (later XODIAC). On June 30, it was revealed that he had changed his stage name to Lex with the release of his profile photo.