2025–present: Introduction and debut On February 10, Starship Entertainment announced that it would be debuting a new girl group KiiiKiii, with the surprise launch of the group's social media accounts. Six days later, it was announced that the group's debut extended play
Uncut Gem, would be released on March 24. That same day, the members were unveiled, and the music video for "I Do Me", a track from the EP, was released. On February 23, they released a celebratory music video titled "Debut Song" to commemorate their upcoming debut. On April 5, KiiiKiii won their first music broadcast trophy since debut on
Show! Music Core with "I Do Me". On May 11, the group did their first international performance at
KCON Japan. On August 6, they released their first digital single "Dancing Alone", with the lead song of the same name and B-side song "Strawberry Cheesegame". On October 28, it was revealed that
Kakao Entertainment will release the web novel ''Dear.X: Tomorrow's Me, Today's Me'', featuring KiiiKiii as its main characters. On November 4, the group released the song "To Me from Me", produced by
Tablo, as its soundtrack. In January 2026, it was announced that they would release a new album at the end of the month. On January 6, it was revealed to be KiiiKiii's second extended play
Delulu Pack, with the lead single "404 (New Era)", which was released on January 26. On April 11, the group released the song "Go On", a soundtrack for the television series
Perfect Crown. On May 16 and 17, they will hold their first fan concert KiiiKiii Festiiival. ==Other ventures==