Pop Review: Le Sserafim Returns Powerful with Pureflow pt. 1

K-Pop

LE SSERAFIM return with Pureflow Pt. 1, a bold, high-energy era led by the explosive title track “Boompala.”

LE SSERAFIM (Kim Chaewon, Sakura, Huh Yunjin, Kazuha, and Hong Eunchae) are back in full force with Pureflow Pt. 1, a striking new full-length album that leans into power, confidence, and unapologetic presence. The group’s latest title track, “Boompala,” released on May 22, 2026, quickly surged to global trending charts, signaling a comeback built for impact from the very first beat.

le sserafim boom pala

“For this era, one of the key themes that we wanted to kind of go back to is our roots,” Huh Yunjin says in an interview for Billboard. “And we started with a message surrounding being fearless, and so we kind of delved back into that sentiment and really thought about what fear means to us now.”

Drawing from the intense scrutiny surrounding their 2024 Coachella performance, LE SSERAFIM now unfolds a more measured narrative of healing. Through this era, the group transforms past fear into vulnerability, opening up to their trusted FEARNOTs and finding renewed strength in unity as a team.

This is also highlighted, as the album’s title was inspired by a quote from the classic novel Frankenstein: “For I am fearless, and therefore powerful.”

The title is an anagram of the word “powerful” as well, ushering in an obvious shift from their Easy, Crazy, Hot Era.

Pureflow pt. 1 Track Listing

1. Pureflow

Le Sserafim’s albums and EPs always feature a song like “Pureflow,” where the members speak about the themes of the coming songs in their own languages – Sakura and Kazuha in Japanese, Yunjin in English, Chaewon and Eunchae in Korean.

In this track, they talk about how it is helpful to share your sadness with someone, even if we are tempted to isolate ourselves in fear of being seen as weak. 

What seems like rock bottom is actually our way out
Thank you
For holding my hand and falling with me
For rubbing together the wounds that haven’t healed yet

2. Boompala

Boompala is a term coined by the group, and is the title track for this album. According to Yunjin in an interview with The Chosun Daily, the song derives from Buddhist themes, specifically Heart Sutra. On the other hand, in Korea JoongAng Daily, she explains that the song says that fear may be nothing but an illusion, depending on how you view it.

The song samples Spanish pop duo Los del Río’s 1993 hit “Macarena,” which gives the audience a mantra-like vibe to remind one of the song’s message.

With the group promoting the song for the past few weeks with different reels on their Instagram, no wonder the hype was high! The group hopes that this will become a new summer anthem to dance to.

3. Celebration

“Celebration” was the lead single of the album, released back on April 24, 2026—just in time for their fourth-year anniversary celebrations as a group.

Kim Chaewon, in the same interview for Billboard, mentions that the song is meant to celebrate the process of embracing their fears over the years, instead of denying them. And through that, they were able to rediscover themselves and come back as a stronger version of themselves.

Hong Eunchae and Huh Yunjin then explain why the music video features a lot of “weird creatures,” as it alludes to their original Frankenstein inspiration but also shows that all of us humans have the same wounds, so it’s okay to show those imperfections and just party!

4. Creatures

The song “Creatures,” which follows the lead tracks, is aptly titled!

The song features lyrics about headbanging (as is the choreography of Celebration) and still continues to talk about freely expressing yourself even with all your scars, deciding the rules in your own life, and partying like Madonna!

5. Iffy Iffy

The song “Iffy Iffy” talks about finally accepting the reality of our fears and the scars they left behind. The term ‘Iffy’ signifies uncertainty or unresolved feelings, and the song conveys a sense of comfort in not having all the answers while also encouraging the listener to embrace new experiences without fear.

Not cool, not fine
I don’t deceive myself anymore
No strings, I’m not tied (Tied)
Don’t hesitate and dive

6. Need Your Company

Days before the official release, Kim Chaewon goes on Lee Mujin Service and sings “Need Your Company,” which she claims is a song Huh Yunjin wrote with her in mind. As all the members participated in the writing for the album, their personal stories regarding their perspectives are interwoven, and the song captures Chaewon’s feelings at that time.

The song talks about begging a loved one to express their feelings of hurt or their understanding of the other’s pain. The lyrics beautifully capture the feeling of getting hurt by someone but also needing their presence in your life and wanting to fight for that.

7. Sonder

The song “Sonder” sounds more ethereal, capturing the feeling of looking at others’ lives and wondering what the universe of other people might mean—their joys, pain, worries, and concerns.

Placing this song after “Need Your Company” creates the impression that it continues the thoughts already being explored, as the melody smoothly transitions to the next track when listened to in order. It appears to be a sigh of relief, signifying a newfound understanding that was previously grappled with in the preceding track.

8. Saki (feat. Aliyah’s Interlude)

The song “Saki (feat. Aliyah’s Interlude)” seemingly nods to the group’s former song, 1-800-hot-n-fun, as it features both Sakura’s famous nickname “Saki” and the toll-free telephone number “1-800.” In the former song, they ask, “Where the heck is Saki?” But in this one, they ask, “Who heck’s Saki?”

The song seemingly alludes to sasaeng culture, with stalkers finding out their idol’s phone numbers and calling them. Le Sserafim addresses the “fans” who ask for autographs but then gossip about them online. They say that “It’s the air they breathe.” But also shatters the delusion by asking, “Really think you know me like that?”

9. Irony

The song “Irony” talks about the irony (duh!) of letting go of greed, obsession, and ambition to be able to be free, as those things tend to grip you tight until you suffocate.
The group tells the listeners to let go even if it’s unfamiliar at first and be relaxed—as they seem to have!

Ah, I’m anxious again, then suddenly relieved
I just decide to enjoy it
After the rope that was like my salvation got cut off
The irony of being able to breathe, I like it, like it

10. Trust Exercise

The song “Trust Exercise” is a fun song that reminds one of “So Cynical (Badum)” from the LE SSERAFIM’s previous EP, which was about falling into love despite cynicism. “Trust Exercise,” on the other hand, talks about a budding romance, but the couple has a hard time catching up to each other due to a difference of pace. But there is a desire to grow closer, with them asking for the significant other to wait for them as the trust exercise they need to overcome.

It’s not that I dislike you
I need some time, just a moment
Catch me, but slowly
I want you falling, ooh-ooh

11. Liminal Space

The song “Liminal Space” is a recording of the LE SSERAFIM members talking about the album, telling the audience that they’ve shared stories that only they know, talking candidly about how hard recording was and, in the end, asking, “Where are we going?”

The album is now available on all major music streaming platforms. LE SSERAFIM will also kick off their Pureflow Tour, returning to Manila on December 5 and 6, 2026. We wish Kim Chaewon a swift recovery following her hiatus due to neck pain.


Sources: The Chosun Daily¹, The Chosun Daily², Korea JoongAng Daily, Billboard, Weverse, Youtube

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