Memoria (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 and 2022 through its project, known as 'Future Idol Asia'. While pre-debut, Memoria was one of several teen groups that participated in the second Future Idol showcase. They performed their debut song, which has yet to be named.

On October 20, Memoria revealed a teaser video for their debut single "Bling Bling" that would be released on October 28, 2022.