The video title identifies the clip as a fancam of fromis_9 member CHAEYOUNG performing “Supersonic” at a Hanyang University festival. It also includes “261002,” but the source does not explain the code. The video was published on October 4, 2026, at 19:00:25 UTC−07:00.
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fromis_9 CHAEYOUNG “Supersonic” Fancam at Hanyang University Festival
A video title describes the clip as a CHAEYOUNG fancam for “Supersonic” at a Hanyang University festival and includes “261002,” whose meaning is not specified.