Known for appearing alongside his twin brother Lee Seo-jun on the show The Return of Superman. They are both the child of television star Lee Hwi-jae.
After his parents were married in December of 2010, the twins were born in March of 2013, only eight months before their television debut.
The twins have a joint Instagram account which has accumulated more than 90,000 followers.
His mother's name is Moon Jeong-won. She is a florist.
Other members of the Return of Superman cast include Lee Beom-soo and Lee Dong-gook.