[2] He is also the vocalist of Infinite F.[3] Lee was born in Gwangju City, South Korea, on September 3, 1993.

He graduated from Jeonju Arts High School on February 7, 2012, and was studying at Kongju University.

[citation needed] On July 29, 2019, he revealed on his Instagram that he had quietly enlisted for his mandatory military service.

[7] Lee was announced as a member of Infinite F during the One Great Step Returns encore concert, along with Sungyeol and L. There, they performed the song "My Heart is Beating".

On January 24, 2022, it was announced that Lee 's contract with Woollim Entertainment has expired after he decided not to renew it.