LIGHTSUM Group name: LIGHTSUM (라잇썸)Fandom name: SUMITInstagram: @cube_lightsumTwitter: @CUBE_LIGHTSUM Members Juhyeon (주현)Sangah (상아)Chowon (초원)Nayoung (나영)Hina (히나)Yujeong (유정)Huiyeon (휘연)Jian (지안) Fashion LIGHTSUM Sangah | VIVACE SBS MTV The Show | Balmain gingham button-embellished dressLIGHTSUM Sangah | VIVACE SBS MTV The Show | Balmain gingham button-embellished dress LIGHTSUM Nayoung | VIVACE KBS Music Bank | Alessandra Rich tartan check print wool dressLIGHTSUM Nayoung | VIVACE KBS Music Bank | Alessandra Rich tartan check print wool dress LIGHTSUM Nayoung | VIVACE Mnet M Countdown | Balmain button-detail halterneck topLIGHTSUM Nayoung | VIVACE Mnet M Countdown | Balmain button-detail halterneck top