Kyulkyung (결경), also known by her birth name Zhou Jie Qiong (Chinese: 周洁琼) in China, is a Chinese singer currently under Pledis Entertainment. She was a member of the girl groups I.O.I and PRISTIN, and also a part of the sub-unit PRISTIN V.
2016: Produce 101 and I.O.I
In 2016, Kyulkyung participated in Mnet's survival television show, Produce 101, along with other five trainees from her agency, Pledis Entertainment. She and Nayoung were the only one to made it to the final line up, ranking 6th and 10th respectively, becoming members of the girl group I.O.I.
On May 4, 2016, she debuted in I.O.I with the mini album, Chrysalis, and its title track, "Dream Girls".
2017–2019: PRISTIN, PRISTIN V, solo debut and groups' disbandment
After the disbandment of I.O.I on January 29, 2017, Pledis announced that Kyulkyung and Nayoung would debut together with their former Produce 101 contestants, as members of PRISTIN, which debuted on March 21, 2017 with the mini album Hi! PRISTIN and its title track, "Wee Woo".
On May 24, 2019, it was announced by Pledis that PRISTIN was officially disbanding after almost two years without activity. She, along with Sungyeon and Yehana, would be staying with the agency, with the remaining 7 members departing.
- "Why" (2018)
Music video appearances
- In the course of Produce 101, she received the nickname "China's Miracle" due to her being an ace in visuals and friendly personality, and her nationality.