LIGHTSUM Official YouTube Channel by CUBE ENT.라잇썸 공식 유튜브 채널입니다.상아, 초원, 나영, 히나, 주현, 유정SANGAH, CHOWON, NAYOUNG, HINA, JUHYEON, YUJEONG
-1 video
Digital Single [MerryKiss]
Playlist
14 videos
Mini Album 『Re:idol』
311 videos
ETC
11 videos
Digital Single [어떡해 (Doshite KR ver.)]
16 videos
Choreography / Practice Videos
9 videos
Music Videos
24 videos
SUMPLY
68 videos
[Original Program] LIGHTSUM: SUMDAY
Digital Single [아름답고도 아프구나 (상아, 초원, 주현)]
26 videos
[Original Program] LIGHTSUM: Light-Log
59 videos
[Original Program] LIGHTSUM: SUMthing
3 videos
[Special Program] LIGHTSUM: Lalala School
97 videos
LIGHTSUM Digital Single [POSE!]
Music Clips
19 videos
Teaser
8 videos
LIVE SUM
22 videos
LIVE SUM CLIP
72 videos
Featurette
6 videos
2nd Mini Album [Honey or Spice] Official Audio
[Original Program] SUMtime University
[Original Program] LIGHTSUM: SUMfactory
5 videos
1st Mini Album [Into The Light] Official Audio
4 videos
[Original Program] SUMtime High School