HiNA

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. Originally an eight-piece ensemble, members Huiyeon and Jian departed the group in October 2022. The group debuted on June 10, 2021, with the release of their debut single album, Vanilla.