Perfume (2021 group)

In 2020, Rainbow Company (later known as Rainbow E&M) created Future Idol, an idol development project for the purpose of debuting various project idol groups throughout 2021 through its project, known as 'Future Idol Asia'. On November 21, 2020, Future Idol Asia introduced Perfume and its members through their YouTube, FutureIdolTV. Throughout the next eight months, they uploaded several dance and song covers before finally announcing their upcoming debut on July 8, 2021 with the release of their debut single album "Diary" and as the fourth girl group in the debut project.

Perfume was one of several teen idol groups who performed a showcase at YES24 Live Hall on May 23, 2021 as part of the 'Future Idol Debut Project'.