Singer Seo In-young’s production team has announced a brief delay in releasing the behind-the-scenes video from her recent music festival appearance, opting to spend extra time refining the final edit.
On September 2, the team behind her official YouTube channel, Gaehwacheonseon Seo In-young, notified fans that the highly anticipated footage capturing her Waterbomb 2026 performance will now premiere on September 3.
The channel’s staff explained the postponement as an effort to ensure high visual quality for a milestone comeback. Noting that the festival marked Seo’s first major live performance in a considerable period, the team expressed a desire to present the singer in her absolute best form, asking viewers for their patience.
They assured fans that the delayed release will offer comprehensive coverage, documenting everything from Seo’s early morning preparations on festival day to candid backstage moments.
Seo previously generated significant buzz on August 22 when she performed at Waterbomb 2026 in Sokcho, Gangwon Province. Commanding the stage with short blonde hair and a bold white bodysuit, she delivered an energetic setlist of signature tracks, including her solo hit "Cinderella.
" Ahead of the appearance, the singer had openly documented her intensive physical preparation on YouTube, sharing that she dieted down to 46 kilograms and underwent arm liposuction to ready herself for the summer festival.

