LE SSERAFIM (르세라핌) is a South Korean girl group formed and managed by both SOURCE MUSIC and HYBE. The group consists of five members— KIM CHAE WON, SAKURA, HUH YUNJIN, KAZUHA and HONG EUNCHAE. Originally consisting of six members, KIM GARAM left the group in July 2022. The group’s name itself is an anagram for the group’s motto, which is “I’M FEARLESS,” implying the group’s confidence and strong will to fearlessly move forward without being swayed by the world’s gaze.

On March 14, 2022, SOURCE MUSIC and HYBE announced the launch of their new girl group with confirmation that former IZ*ONE members SAKURA and KIM CHAEWON would be part of its lineup. The other members were later revealed through official trailers, notably including HUH YUNJIN, who appeared on Produce 48 with SAKURA and KIM CHAEWON in 2018. They debuted on May 2, 2022, with their first mini album titled FEARLESS, supported by the title track of the same name. The group announced their fandom name, FEARNOT, which is a homonym of “blooming” (피어나; pieona) in Korean.

The group’s second mini-album, ANTIFRAGILE was released on October 17, 2022. LE SSERAFIM’s first full-length album UNFORGIVEN, released in May 2023, featuring updated versions from the group’s first two mini albums alongside new tracks. In Japan, they released singles FEARLESS in January 2023 and UNFORGIVEN in August 2023, featuring Japanese version of their hit Korean tracks, with features from Japanese singer Ado and a track produced by imase. Their first English single “Perfect Night,” to promote Overwatch 2 was released in October 2023.

Their second trilogy of albums started with February 2024’s EASY, helping the group break into Billboard Hot 100. The group made a grand debut in the US at Coachella preceding the second release, August 2024’s CRAZY. The third, HOT was released in March 2025, which preceded the group’s first arena tour surrounding the trilogy, EASY-CRAZY-HOT. After the tour, their first single album, SPAGHETTI, with a feature from BTS‘ j-hope was released in October 2025.