The film features IU’s (Lee Ji-eun) encore concert in Seoul, titled HEREH Encore: The Winning, which marked the beginning of her first world tour. The concert was held at Seoul World Cup Stadium in South Korea on 21 and 22 September 2024. It is the largest stadium in South Korea and one of the five largest football venues in Asia. More than 100,000 fans were estimated to have attended IU’s concerts over the two consecutive days. During the three-hour concert, IU performed 24 songs. She not only sang and danced on stage, but also soared through the air while performing Ah Puh, The Meaning of You, and Celebrity.

Lee Ji-eun, better known by her stage name IU, is a singer and songwriter. Since making her debut as a singer in 2008, she has released numerous hit songs, including Good Day (2010), You & I (2011), The Red Shoes (2013), Through the Night (2017), and Lilac (2021). She became the first female soloist to hold concerts at the KSPO Dome (2019), Olympic Stadium (2022), and Seoul World Cup Stadium (2024). Her large fan base has established her as one of South Korea’s popular solo singers. In addition to her successful music career, IU has also built an impressive career as an actress. She has starred in several highly popular Korean dramas, including Moon Lovers: Scarlet Heart Ryeo (Kim Kyu-tae, 2016), Hotel Del Luna (Oh Choong-hwan, 2019), and My Mister (Kim Won-seok, 2018). The Indonesian Film Censorship Institution (LSF) has classified IU Concert: The Winning for audiences of all ages (SU). (ibn)