Sieun from STAYC was the host of the 2025 KBS 'Children’s Song Contest', which aired on KBS1 on May 5th KST. She co-hosted alongside announcer Park Chul Kyu and child actor Oh Eun Seo.

The KBS Children’s Song Contest, originating in 1989, aims to promote creativity in children's songs. Sieun demonstrated great talent as an MC, contributing to a delightful Children’s Day event with a heartwarming performance.

Together with Park Chul Kyu, Oh Eun Seo, and the Yedong Choir, Sieun kicked off the show with lively performances of “Fanfare,” “Children’s Day Song,” and “Songs Are Magic Buses.” She also shared a personal anecdote from her past involvement in the KBS Green Children’s Song Festival.

Throughout the event, Sieun interacted with choir members, composers, and lyricists, offering valuable insights and words of encouragement. She smoothly guided discussions with the judges after each performance.

Her genuine reflections and ability to connect with the audience enhanced the show’s appeal. Following the song “One Spoon,” she praised the harmony and suggested that kids would enjoy singing it with their friends.

In closing, Sieun expressed her gratitude for the opportunity to witness so many incredible performances and be part of the birth of new songs.

Meanwhile, Sieun's group STAYC recently concluded their 2025 STAYC Tour ‘Stay Tuned’ in Seoul and is set to continue their world tour in 11 cities, including Osaka, Tokyo, Jakarta, Sydney, Melbourne, Brisbane, Auckland, Bangkok, Hong Kong, Singapore, and Taipei.