LIGHTSUM has revealed a new character film.

Cube Entertainment's upcoming rookie girl group is getting ready to make their debut! In this character film, members Sangah and Yujeong show off their lovely charm and friendship. The girls get into their uniforms and share a sporty side to themselves. 

LIGHTSUM consists of 8-members including Hina, Yujeong, Nayoung, Huiyeon, Chowon, Jian, Juhyeon, and Sangha. Stay tuned for even more details on the group's upcoming debut!