Kim Se-jeong is a South Korean singer, songwriter, and actress who first gained nationwide fame after finishing second on the survival show Produce 101 and debuting with the project girl group I.O.I. She later became a member of Gugudan before establishing herself as a successful solo artist and actress. Known for her versatile talent and strong vocals, Sejeong earned praise through hit dramas like 'Business Proposal', 'The Uncanny Counter', and 'School 2017'. Over the years, she has built a reputation as one of Korea’s most well-rounded entertainers, balancing music, acting, variety shows, and musical theatre.