Lee was enrolled in Kyunghee University studying theatre and film.

Lee started his own fashion brand 'Skullhong' in June 2014.
He designs accessories, jewelry and various nail products.
It was originally based in Seoul, but has since expanded its business to Hong Kong, and Tokyo, Japan.

On 30 September 2019, Lee began his mandatory military service, becoming the first F.T. Island member to enlist.
Lee was enrolled in Kyunghee University studying theatre and film.
Lee started his own fashion brand 'Skullhong' in June 2014. He designs accessories, jewelry and various nail products. It was originally based in Seoul, but has since expanded its business to Hong Kong, and Tokyo, Japan.
On 30 September 2019, Lee began his mandatory military service, becoming the first F.T. Island member to enlist.
Lee Hong-gi