The first snippet of “Celebration” has already started heating up LE SSERAFIM’s comeback, but for many fans, the bigger reason anticipation is rising is simple: Kim Chaewon and Huh Yunjin helped shape the song themselves.

On April 22, the group shared a short video through its official social media channels as part of the ongoing #TimeToCelebrate campaign. The clip included a brief preview of “Celebration,” the lead single set to arrive on April 24 at 1 p.m. KST, giving fans their first real taste of the new era.
Even in a short teaser, the song makes a strong first impression. Opening with the line “Bring Back Now,” the preview quickly moves into an energetic, pulse-heavy sound that gives the comeback a sharper, more immediate feeling.
The teaser alone was enough to get attention, but the deeper source of excitement is the song’s credits.
According to the report, Chaewon and Yunjin both participated in “Celebration,” adding a more personal layer to the track before it has even been fully released. For fans, that detail changes the way the song is being received. It no longer feels like just another polished pre-release single. It feels like a comeback message that carries more of the members’ own voice inside it.
That kind of participation matters even more because of what the song is trying to say.

“Celebration” is described as a track that combines melodic techno and hardstyle, built around a bright beat and an addictive melody.
But the song’s emotional core is what makes it stand out. Rather than celebrating something superficial, the track is said to focus on the moment a person finds the inner strength to face fear. That message fits naturally with LE SSERAFIM’s long-running identity one built on confidence, resilience, and pushing through hesitation.
With Chaewon and Yunjin involved in the credits, the song’s message about courage and self-belief feels even more sincere.
The preview is part of the group’s wider #TimeToCelebrate campaign, which encourages people to share and celebrate both major and everyday moments in life.
The campaign has already been drawing major attention. According to the report, congratulatory videos posted on LE SSERAFIM’s official Instagram have surpassed 31.75 million combined views, while posts using the hashtag have climbed to around 360,000 within seven days.
It has also spread beyond the group’s own fan spaces. Official accounts connected to Juventus, Duolingo, and BOYNEXTDOOR have joined in, helping the promotion feel bigger, more participatory, and more visible across different corners of the internet.

While “Celebration” arrives first, LE SSERAFIM’s full album release is still coming next month.
The group’s second studio album, PUREFLOW pt.1, is set for release on May 22 at 1 p.m. KST, making the lead single the first proper doorway into the album’s sound and emotional world.
For now, though, LE SSERAFIM have already done something important: they have made the comeback feel personal before the full project has even landed.
What gives this rollout extra strength is that LE SSERAFIM are not building anticipation through mystery alone. They are giving fans sound, concept, and authorship all at once. The fact that Chaewon and Yunjin are part of the credits makes “Celebration” feel more emotionally anchored from the beginning, which is why the reaction has been stronger than a typical teaser response. Fans are not just hearing a new song snippet they are sensing the group’s voice inside it.