LE SSERAFIM Timeline

Le Sserafim announced that "BOOMPALA" will lead their second studio album, PUREFLOW pt.1, and unveiled a two-week promotional schedule.

The group's second full-length album, PUREFLOW pt.1, was released.

"PUREFLOW pt.1," LE SSERAFIM's second full-length album, was released in May (2026). Source Music described the Sound Coin project as a celebration following the launch of this new chapter.

In May 2026, Source Music announced that Kim Chaewon would temporarily halt activities due to neck pain to focus on recovery.

The album entered the Billboard 200 at No. 10 at the end of May, marking the group's fifth consecutive album to be listed in the top 10.

SOURCE MUSIC announced in May 2026 that Kim Chaewon would be taking a temporary break from activities after undergoing treatment for neck pain and being advised by a doctor to rest.

A conceptual series including the "BOOMPALA Pavilion" and three installments — "BIRCH SCAR", "YUSU LILY" and "PEONY ROOM" — is scheduled to roll out mid-month.

LE SSERAFIM is listed among the girl groups slated to return in May during a crowded release window.

LE SSERAFIM is reported among several girl groups set to return within weeks of one another in May.

Le Sserafim is reported to be returning with new music in May 2026 amid a competitive month for K-pop girl-group comebacks.

K-pop girl group Le Sserafim will release its second studio album in May 2026 (announced April 2026).

LE SSERAFIM released the Moving version of their dance practice video for “CELEBRATION,” the lead single off their upcoming album PUREFLOW.

Le Sserafim logged 700 million streams on Spotify.

Le Sserafim will prerelease the lead single from their upcoming studio album.

LE SSERAFIM will unveil the lead single "Celebration," a song about celebrating the moment they gained the strength to embrace change.

LE SSERAFIM will pre-release their lead single "CELEBRATION," the title track of their upcoming album, on April 24.

Le Sserafim uploaded a teaser trailer for the prerelease track "Celebration" via Source Music, featuring a choreography glimpse and a visual close-up of Sakura.

LE SSERAFIM announced their upcoming spring comeback and revealed the title of their new full-length album, PUREFLOW.

LE SSERAFIM released first comeback teasers and posted a teaser image announcing "It's Time To Celebrate," signaling an upcoming comeback later that month.

A logo motion clip uploaded earlier in April revealed the album theme: "For we are not fearless, and therefore powerful." (April 2026, no exact day provided).

SOURCE MUSIC confirmed LE SSERAFIM is preparing to release a new song in April 2026; exact schedule to be announced.

Former LE SSERAFIM member Kim Ga-ram opened a YouTube channel and uploaded her first video showing her acting practice and parts of daily life — drawing attention and sparking speculation about a possible return to the entertainment industry four years after her exit.

LE SSERAFIM's music video for “SPAGHETTI” featuring BTS's j-hope surpassed 100 million views on YouTube.

In March 2026 Kim Garam launched a YouTube channel where she shares daily life and acting practices; the channel has amassed over 260,000 subscribers.

LE SSERAFIM's music video "CRAZY" surpassed 200 million views on YouTube, becoming the group's third MV to reach 200 million after "ANTIFRAGILE" and "FEARLESS."

Le Sserafim claimed the No. 1 spot on Oricon's Weekly Single Ranking with the single "Spaghetti," marking the first time in three years an international female act sat atop the chart. The chart success followed the group's first international tour, "Easy Crazy Hot."

LE SSERAFIM's "SPAGHETTI" (featuring BTS's j-hope) was one of the candidates for first place on the January 25 episode of SBS's Inkigayo.

LE SSERAFIM is listed among the top acts on Billboard's World Albums chart for the week ending January 24, 2026.

The Miyagi shows are the fourth stop on Le Sserafim's five-city Japan tour; they will be held on Tuesday and Wednesday (dates not specified in article).

Le Sserafim's B-side single reached 300 million streams on Spotify, becoming the group's eighth song to hit the milestone. The track is from their first studio album Unforgiven.

"Iconic By Mistake," a collaboration single with LE SSERAFIM and ILLIT, fell to No. 76 on the Billboard Hot 100 and extended its chart run to seven consecutive weeks.

B-side track from LE SSERAFIM's 2026 album featured in a Soompi roundup of notable 2026 B-sides.

During its five-city Japan tour, Le Sserafim will make its festival debut at Summer Sonic 2026 with performances in Osaka and Tokyo.

LE SSERAFIM's 'SPAGHETTI', featuring BTS’s j-hope, placed on Circle Chart's midyear overall digital top 50 for the first half of 2026.

The group reached a career-high of 21,977,269 monthly listeners on Spotify.

Earlier in 2026, Le Sserafim became the first K-pop girl group to perform at Dick Clark's New Year's Rockin' Eve with Ryan Seacrest 2026, performing in New York's Times Square.

LE SSERAFIM were listed among artists who earned Circle Chart million and/or platinum certifications in Circle Chart's latest certification announcement (specific certification details not provided in excerpt).

Management Koo announced it has signed an exclusive contract with Kim Ga-ram, who aspires to pursue an acting career.

Le Sserafim's second studio album Pureflow pt. 1 ranked at No. 177 on the Billboard 200, marking the group's third straight week on the chart. The song "Boompala" charted at No. 176 on the Global 200 and No. 108 on the Global (excluding the US) chart. The album entered the Billboard 200 at No. 10 at the end of May and is the group's fifth consecutive album to reach the top 10.

Le Sserafim’s second studio album Pureflow pt. 1 came in at No. 59 on the Billboard 200.

Le Sserafim's second album 'Pureflow Pt. 1' debuted at No. 10 on the Billboard 200; the album's lead single 'Boompala' samples Los del Rio's 'Macarena'.

Kim Chaewon will not be joining the rest of LE SSERAFIM at the 2026 Weverse Con Festival.

Le Sserafim released their second studio album, described as confronting fear and finding new inner strength.

Le Sserafim marked four years since their debut with new content from Source Music, including a group photo recreating childhood moments for a 'Fim'ily Party theme, playful selfie visuals for their single "Celebration," and a livestream sharing episodes with fans.

LE SSERAFIM announced dates and locations for their 2026 world tour 'PUREFLOW', kicking off in Korea and visiting Japan, the United States, Europe, and additional Asian cities.

Le Sserafim's track 'Crazy' highlighted as part of the resurgence of house music in K-pop continuing into 2026.

Le Sserafim's single "Spaghetti (Feat. J-Hope of BTS)" extended its run to 20 consecutive weeks on the Billboard Global Excl. US chart, marking the longest run on the tally for a single released in 2025 from a fourth-generation K-pop girl group, per Source Music.

The single generated 200 million streams as of January.

LE SSERAFIM received a Platinum streaming certification from the Recording Industry Association of Japan (RIAJ).

LE SSERAFIM's "SPAGHETTI" moved up three spots to No. 2 on Soompi's K-Pop Music Chart (Soompi chart: January Week 3, 2026).

HYBE labels shared updates on the progress of legal proceedings against malicious activities violating the rights of LE SSERAFIM.

Le Sserafim’s collaboration with J‑Hope has spent 60 consecutive days on Spotify’s global chart (as reported Dec. 22, 2025).

Le Sserafim’s title track “Spaghetti,” featuring J‑Hope, ranked No. 165 on Spotify’s Daily Top Songs Global chart dated Dec. 22, 2025.

LE SSERAFIM originally released the music video for “SPAGHETTI”.

"Easy," Le Sserafim's third EP (which includes the track "Smart"), was released in 2024.

Unforgiven includes the B-side “Eve, Psyche & The Bluebeard's wife.”

Le Sserafim released "Perfect Night" as a digital single in 2023; Heo Yunjin participated in writing the lyrics.

Kim Ga-ram's contract with her then-agency Source Music (under HYBE Labels) was terminated.

Kim Ga-ram left Le Sserafim.