LIGHTSUM 라잇썸 (Official YouTube Channel)

12:51

My "Oshi's" Oshi became my new Oshi | Seongsu-dong's #1 Instructor Lee Hee-ra

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4:20

LIGHTSUM - 'Doshite' Chant │ SUB

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Shared 19 hours ago

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4:10

LIGHTSUM (ライトサム) -「どうして (Doshite)」Official Music Video

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Shared 21 hours ago

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3:14

썸잇 5살 생일 축하해썸🎂

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Shared 1 week ago

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3:14

Lost / 초원 (CHOWON) [SUMPLY]

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Shared 1 week ago

107K views

0:18

LIGHTSUM (ライトサム) -「どうして (Doshite)」MV Teaser

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Shared 1 week ago

290K views

2:31

PARTY / 상아(SANGAH) [SUMPLY]

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Shared 2 weeks ago

155K views

9:58

다음 구독은 제 차례입니다 │ 유정 구독연애 마지막 촬영 비하인드 │LIGHTSUM(라잇썸) SUMDAY #67

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Shared 3 months ago

16K views

2:27

Nonsense / 유정(YUJEONG) [SUMPLY]

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Shared 3 months ago

110K views

2:44

라잇썸 데뷔 5주년

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Shared 3 months ago

18K views

4:29

'YOASOBI / 夜に駆ける' Covered by 나영(NAYOUNG) [SUMPLY]

LIGHTSUM 라잇썸 (Official YouTube Channel)

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2:55

April / 주현(JUHYEON) [SUMPLY]

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 5 months ago

122K views

11:05

Welcome to Your First Runway, Right? │ 2026 F/W Seoul Fashion Week 'PHENOMENON SIFFER' Show Behin...

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 6 months ago

13K views

18:26

This is the worst thing to go through during the holidays | Stress Lab: Holiday Stress | LIGHTSUM

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Shared 7 months ago

24K views

3:57

'Kenshi Yonezu, Hikaru Utada / JANE DOE' Covered by 초원(CHOWON) [SUMPLY]

LIGHTSUM 라잇썸 (Official YouTube Channel)

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25:02

아아 활동 자기 전에 생각 많이 날 거야 │ '아름답고도 아프구나 (상아, 초원, 주현)' 활동 비하인드 │ LIGHTSUM(라잇썸) SUMDAY #65

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 7 months ago

13K views

22:45

LIGHTSUM's Making Doojjonku! (Seongdaero) │ 'Beautiful and Painful (Sang-ah, Chowon, Juhyeon)' Re...

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Shared 8 months ago

13K views

9:43

펭:라잇썸 귄:귄카 │ '아름답고도 아프구나 (상아, 초원, 주현)' LIVE CLIP 비하인드 │ LIGHTSUM(라잇썸) SUMDAY #63

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 8 months ago

15K views

9:17

So glad to see the collab between LIGHTSUM, OHT, and that metallic vibe │ OHT X LIGHTSUM Behind t...

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 8 months ago

12K views

4:47

LIGHTSUM - 'Beautiful and Painful (Sang-ah, Cho-won, Ju-hyun)' Chant │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 8 months ago

24K views

3:56

LIGHTSUM(라잇썸) - '아름답고도 아프구나 (상아, 초원, 주현)' LIVE CLIP

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 8 months ago

2.2M views

0:16

LIGHTSUM(라잇썸) - '아름답고도 아프구나 (상아, 초원, 주현)' LIVE CLIP Teaser

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 8 months ago

112K views

3:44

All About "Ah"

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Shared 8 months ago

23K views

8:27

아아 ASMR

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Shared 8 months ago

43K views

4:15

아아하세요

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Shared 8 months ago

21K views

3:15

'HUNTR/X / Golden' [SUMPLY] │ LIGHTSUM(라잇썸)

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 11 months ago

16M views

7:59

2025 Shinhan SOL Bank KBO League Samsung Lions Behind-the-Scenes [SUMDAY] #61 │ LIGHTSUM │ SUB

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Shared 1 year ago

26K views

8:51

Shameless Forecast Forecaster King Yujeong to the Rescue! [Light-Log] EP.26 │ LIGHTSUM │ SUB

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Shared 1 year ago

12K views

10:17

Osaka Half-Day Course Recommendation📍From Okonomiyaki to Dotonbori Shopping!.mp4 [SUMthing] #59 │...

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

14K views

8:53

KANSAI COLLECTION 2025 S/S Behind the Scenes [SUMDAY] #60 │ LIGHTSUM │ SUB

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Shared 1 year ago

11K views

19:23

Did something just fly by? [Lalala School] EP.3 | LIGHTSUM | SUB

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Shared 1 year ago

55K views

22:43

휴지 잡기 전에 정신 부여잡아 [라라라 초등학교(Lalala School)] EP.2 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

64K views

21:08

엄마가 친구랑 싸우지 말랬는데... [라라라 초등학교(Lalala School)] EP.1 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

61K views

14:08

32주년 한터뮤직어워즈 2024 비하인드 [SUMDAY(썸데이)] #59 │ LIGHTSUM(라잇썸) │ SUB

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Shared 1 year ago

8.8K views

14:26

자매즈를 질투하는 찐 자매의 등장 [Light-Log(라잇로그)] EP.25 │ LIGHTSUM(라잇썸) │ SUB

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Shared 1 year ago

9.3K views

27:22

Almost lost my cool trying to catch the sunrise.mp4 [SUMthing] #58 │ LIGHTSUM │ SUB

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Shared 1 year ago

9K views

1:40

LIGHTSUM(라잇썸) - '소녀시대 - 다시 만난 세계 (Into The New World)' (Choreography Practice Video) | HMA 2024

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

64K views

5:50

LIGHTSUM(라잇썸) - 'Honey or Spice + POSE!' (Choreography Practice Video) | HMA 2024

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

17K views

10:04

Date with 동생 [Light-Log(라잇로그)] EP.24 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

10K views

14:19

Exploring_Macau.mp4 [SUMthing] #57 │ LIGHTSUM │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

8.7K views

25:47

We'll scratch that itch for you! [New Year's Inner Thoughts Party] │ 2025 New Year Special │ LIGH...

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

11K views

12:38

2025 시즌 그리팅 비하인드 [SUMDAY(썸데이)] #58 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

7.5K views

8:59

澳門戶外表演區預熱音樂會 (마카오 야외 예열 음악회) 비하인드 [SUMDAY(썸데이)] #57 │ LIGHTSUM(라잇썸) │ SUB

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Shared 1 year ago

7.1K views

7:10

Nayoung's Trip to Chuncheon [Light-Log] EP.23 │ LIGHTSUM │ SUB

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Shared 1 year ago

10K views

26:27

산타... 꼭 돼야 할까? 왜 이리 험난하지? 🎄🎁 [산타 아카데미] │ 크리스마스 특집 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

9.7K views

11:56

유정이는 피포페인팅 장인 [Light-Log(라잇로그)] EP.22 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

5.6K views

3:14

'aespa / Flowers' Covered by 초원(CHOWON) [SUMPLY] │ LIGHTSUM(라잇썸)

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

53K views

10:58

2024-2025 여자프로농구 하나은행 시투 비하인드 [SUMDAY(썸데이)] #56 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

6.3K views

14:46

이 고비만 넘기면 나에게 행운 비즈발 와 [Light-Log(라잇로그)] EP.21 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

8K views

17:34

대학축제 비하인드 [SUMDAY(썸데이)] #55 │ LIGHTSUM(라잇썸) │ SUB

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Shared 1 year ago

7.9K views

13:08

30th 2024 Dream Concert Behind [SUMDAY] #54 │ LIGHTSUM │ SUB

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Shared 1 year ago

8.2K views

13:23

LIGHTSUM(라잇썸) - 'POSE!' Dance practice Behind │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

18K views

4:44

LIGHTSUM(라잇썸) - 'POSE!' (Choreography Practice Video) (HAPPY 추석 ♥️) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 2 years ago

19K views

13:30

POSE! Activity Behind-the-Scenes PART 2 [SUMDAY] #53 │ LIGHTSUM │ SUB

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Shared 2 years ago

16K views

14:24

POSE! 활동 비하인드 PART 1 [SUMDAY(썸데이)] #52 │ LIGHTSUM(라잇썸) │ SUB

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Shared 2 years ago

12K views

8:23

POSE! MINI LIVE Behind [SUMDAY(썸데이)] #51 │ LIGHTSUM(라잇썸) │ SUB

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Shared 2 years ago

7.9K views

7:36

POSE! Busking in Hongdae Behind [SUMDAY(썸데이)] #50 │ LIGHTSUM(라잇썸) │ SUB

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Shared 2 years ago

7.1K views

6:33

썸깅이들의_파자마_파티.mp4 [SUMthing(썸띵)] #56 │ LIGHTSUM(라잇썸) │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 2 years ago

11K views

12:19

왓츠_인_마이_캐리어_(Feat. 여행_필수_템).mp4 [SUMthing(썸띵)] #55 │ LIGHTSUM(라잇썸) │ SUB

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Shared 2 years ago

8.4K views

15:38

LIGHTSUM(라잇썸) - 'POSE!' Recording Behind │ SUB

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Shared 2 years ago

12K views