Jeikei graduated from Hongik University with a B.F.A. and M.F.A. in painting. Jeikei participated in the 2006 Young Artist Project, an art competition to discover up-and-coming artists, and held her solo exhibition at Jung Gallery. Later in 2011, the artist held another solo show, Sanbok and Utopia, and the Between Space. Jeikei has presented her works internationally through various residency programs abroad as she held her first international solo exhibition in Taipei, Taiwan, in 2013. As of 2015, the artist shows her works continuously at various solo exhibitions.