Moon Seo-yoon Debuts as K-Pop Idol with AllDay Project
Moon Seo-yoon, daughter of Shinsegae Group President Chung Yoo-kyung, is set to make her official debut in the K-pop industry as a member of the co-ed idol group AllDay Project. Managed by The Black Label, the group is poised to shake up the music scene with their debut album slated for release on June 23, 2025.
AllDay Project: A New Chapter in K-Pop
The Black Label, led by renowned YG producer Teddy, announced the debut of AllDay Project on June 9, 2025. This marks the agency’s second venture into a co-ed idol group, featuring five talented members: Annie (Moon Seo-yoon), Tarzan, Bailey, Jo Woo-chan, and Youngseo. The group aims to blend musical innovation, mainstream appeal, and buzzworthy star power.
AllDay Project K-pop group debut announcement
Annie: The Shinsegae Heiress Turned K-Pop Star
All eyes are on Annie, the stage name of Moon Seo-yoon, who is no stranger to the spotlight. As the granddaughter of Shinsegae Group Chairwoman Lee Myung-hee and niece of Vice Chairman Chung Yong-jin, Annie brings a unique background to the K-pop stage. Born in 2002, she is currently studying at the prestigious Columbia University in the U.S. Her mother, Chung Yoo-kyung, leads Shinsegae Group, while her father, Moon Sung-wook, serves as Vice President of Shinsegae International and CEO of Shinsegae Tomboy and Signite Partners.
Speculation about Annie’s debut began when she was spotted in The Black Label’s trainee group photos, sparking rumors of her potential inclusion in other groups like Miyao. Despite earlier rumors of her departure from the agency, Annie has now secured her place in AllDay Project, ready to make her mark in the K-pop industry.
Moon Seo-yoon as Annie in AllDay Project
Star-Studded Lineup: Jo Woo-chan and Youngseo
AllDay Project boasts a diverse and talented roster. Youngseo, a former trainee who nearly debuted with HYBE’s girl group ILLIT, brings her experience and resilience to the team. Meanwhile, Jo Woo-chan, known for his standout performance at age 12 on Mnet’s Show Me The Money 6, adds a dynamic edge. After training under BigHit Music, Jo is now ready to shine with AllDay Project.
A Fresh Approach to K-Pop
What sets AllDay Project apart is its co-ed structure and direct involvement from producer Teddy, a cornerstone of YG’s success. The group aims to combine musicality, mainstream appeal, and trendsetting charisma, positioning them as a unique force in the competitive K-pop landscape.
Why AllDay Project Is One to Watch
With a mix of high-profile members, innovative music, and The Black Label’s proven track record, AllDay Project is generating significant buzz ahead of their June 23 debut. Fans are eager to see how Annie and her fellow members will redefine K-pop with their fresh sound and dynamic performances.
Stay tuned for updates on AllDay Project’s debut album and their journey to global stardom!