IU: "The doll dances."

2018 Run On Seoul (2018 RUN ON Seoul) was held at Yeouido Park Cultural Hall in Yeongdeungpo-gu, Seoul on September 9.

IU is on stage on this day.

Jung Yoo-jin

About IU

Lee Ji-eun, also known by her stage name IU, is a South Korean singer-songwriter, record producer and actress. She signed with LOEN Entertainment in 2007 as a trainee and debuted as a singer at the age of fifteen with her first mini album Lost and Found.  Wikipedia