LIGHTSUM (라잇썸) is an upcoming eight-member girl group under Cube Entertainment. They are set to make their debut sometime in May 2021.



On April 15, 2021, an intro video was released on LIGHTSUM's social media announcing their name and logo.[1] Later that day, it was revealed that Cube Entertainment was accelerating preparations to debut the group in the first half of the year.[2]

On the midnight of April 19, 2021, Sangah and Juhyeon were revealed as the group's first and second members, respectively.[3][4] On April 20, Chowon and Jian were revealed as the third and fourth members, respectively.[5][6] On April 21, Nayoung and Huiyeon were revealed as the fifth and sixth members, respectively.[7][8] On April 22, Hina and Yujeong were revealed as the seventh and eighth members, respectively.[9][10] Finally, on April 23, the group's profile photo was released.[11]


Name Position(s)[12] Year(s) active
Sangah (상아) Lead Dancer, Rapper 2021–present
Chowon (초원) Main Vocalist 2021–present
Nayoung (나영) Main Vocalist, Lead Dancer 2021-present
Hina (히나) Sub Vocalist 2021-present
Juhyeon (주현) Main Dancer, Lead Vocalist 2021–present
Yujeong (유정) Sub Vocalist 2021–present
Huiyeon (휘연) Sub Vocalist 2021–present
Jian (지안) Rapper, Sub Vocalist, Maknae 2021–present





Official links


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