Kim Sejeong: Kim Sejeong. Actress: School 2017. Kim Se-jeong, better known by Sejeong, is a South Korean singer and actress signed under Jellyfish Entertainment. She is a member of Gugudan and its subgroup Gugudan SeMiNa, and a former member of the girl group I.O.I. She served as host of the show "Talents for Sale" in 2016 and was named a permanent MC for the show "Get it Beauty" in January 2017. She...
