Lapillus (; ; stylized in all caps) is a South Korean girl group formed and managed by MLD Entertainment. The group is composed of five members: Chanty, Yue, Bessie, Seowon, and Haeun. Originally a six member group, Shana left the group on October 26, 2025. They debuted on June 20, 2022, with the release of their digital single album Hit Ya!.
In an exclusive press conference with the Philippine media networks ABS-CBN and CNN Philippines, leader Shana explained that their group name is derived from a Latin word. "[It means] a special stone or like a jewel that shines different colors depending on the direction of the light", she said.
Shana was a J-Group contestant on Girls Planet 999. She placed 16th overall in the show. Chanty is a former actress who was under Star Magic in the Philippines and previously appeared on dramas such as Hiwaga ng Kambat, I Got You, and Starla. Together with Shana, Chanty hosted a YouTube series called ChanSha World from December 2021 to August 2022, which featured the pair playing games and completing challenges, allowing fans to discover more about them ahead of their debut.
On May 16, 2022, MLD Entertainment announced that they would be debuting a new girl group for the first time since their last launch Momoland in 2016. The members were revealed in pairs from May 23 to 25, starting with Shana and Haeun, then Seowon and Yue, and finally Bessie and Chanty. Promotions for the group's debut began on June 13, 2022 with the announcement of the album name and following up with teaser images, videos, and advertisements. The first girl group to debut under MLD Entertainment in six years, Lapillus released their debut digital single album, Hit Ya!, on June 20, 2022, consisting of the title track of the same name and the instrumental. Lapillus' first music show performance aired on June 23, 2022, on Mnet's M Countdown.
On August 31, 2022, it was announced that Lapillus would release their first extended play titled Girl's Round Part.1 and its double lead singles "Gratata" and "Burn with Love" on September 22, 2022. The EP also featured their debut single, Hit Ya!.
On December 8, 2022, MLD Entertainment announced that Bessie had temporarily suspended activities for health reasons.
On January 19, 2023, MLD Entertainment announced that Chanty had temporarily suspended activities for health reasons.
On June 7, the group dropped a coming soon teaser for their second extended play and on June 21 their second EP Girl's Round Part. 2 with the lead single "Who's Next" released on June 21.
On June 10, the group announced their plans to make their Japanese debut with their first single, Who's Next (Japanese Ver.) which was released on August 2.
On April 5, 2024, MLD Entertainment announced that Chanty will be taking an indefinite hiatus due to being diagnosed with chronic fatigue syndrome. The company assured that she would still remain a member of the group and continue to perform individual activities, but will not participate in group activities during her recovery. She returned to the group in November during their Japan concerts.
On October 26, 2025, Shana announced on her social media that she had terminated her contract with MLD Entertainment and departed from Lapillus.