On January 31, 2020, DSP Media announced the launch of DSP N's official accounts including Twitter and V Live.
At midnight on February 1, 2021, DSP N announced through their fancafe that they would be now known as MIRAE. An official logo motion video was released at the same time, along with the opening of their official SNS accounts. The agency revealed the group would make their debut sometime in March 2021.
On February 22, DSP Media announced the group's debut mini album, Killa, was set to be released on March 17. They then debuted with their mini album along with the title track along with the music video for "Killa" on March 17.
On August 9, 2021, MIRAE announced their second mini album, Splash, set to release on August 25.
On January 1, 2022, MIRAE announced their third mini album, Marvelous, set to release on January 12.