“ Be MY æ! Hello, we are aespa! ” aespa (에스파; stylized as æspa) is a four-member girl group under SM Entertainment. They debuted on November 17, 2020 with the digital single "Black Mamba".
The meaning of aespa has multiple meanings with the use of æ standing for both "Avatar X Experience" as well as becoming an "aspect" being both sides.