Lightsum

Lightsum
Lightsum in June 2021 L–R, standing: Jian (former), Huiyeon (former), Nayoung, and Hina L–R, sitting: Juhyeon, Sangah, Yujeong, and Chowon
Background information
Origin	Seoul, South Korea
Genres	K-pop
Years active	2021–present
Labels	Cube
Members	Sangah Chowon Nayoung Hina Juhyeon Yujeong
Past members	Huiyeon Jian
Website	Official website

Lightsum (Korean: 라잇썸; RR: Raitsseom; MR: Raitssŏm, stylized in all caps) is a South Korean girl group formed by Cube Entertainment. The group is composed of six members: Sangah, Chowon, Nayoung, Hina, Juhyeon, and Yujeong. The group debuted on June 10, 2021, with the release of their debut single album, Vanilla. Originally an eight-piece ensemble, members Huiyeon and Jian departed the group in October 2022.