LIGHTSUM 라잇썸 (Official YouTube Channel)

4:29

LIGHTSUM - 'Merry Kiss' Fanchant │ SUB

Shared 2 days ago

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10:28

분명 필요한 것만 사기로 했는데

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 week ago

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15:35

귀여운 음식을 좋아하세요?

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 2 weeks ago

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8:35

LIGHTSUM (라잇썸) - '어떡해 (Doshite KR ver.)' 응원법 │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 2 weeks ago

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3:25

LIGHTSUM(라잇썸) - '어떡해 (Doshite KR ver.)' Official Music Video

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 2 weeks ago

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0:25

LIGHTSUM - 'What Should I Do (Doshite KR ver.)' M/V Teaser

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 2 weeks ago

111K views

7:59

기분 나쁠 땐, 이 포즈를 따라 해보세요

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 3 weeks ago

38K views

13:05

'오랜만이야'라고 했는데 처음 본 팬일 때 | 성수동 1타 강사 이희라

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

606K views

23:00

경고 : 갑작스러운 심쿵에 주의하세요

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

234K views

3:23

LIGHTSUM(라잇썸) - 'Doshite' Dance Practice (Sailor Moon Ver.)

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

1.3M views

3:20

LIGHTSUM(라잇썸) - 'Doshite' Dance Practice (사복 Ver.)

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

297K views

12:20

아이돌에게 시력이 중요한 이유 | 성수동 1타 강사 이희라

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

539K views

3:41

LIGHTSUM(라잇썸) - 'Doshite' Dance Practice

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

339K views

12:51

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

341K views

4:20

LIGHTSUM - 'Doshite' Chant │ SUB

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

63K views

4:10

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

5.3M views

3:14

썸잇 5살 생일 축하해썸🎂

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

30K views

3:14

Lost / 초원 (CHOWON) [SUMPLY]

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

120K views

0:18

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 month ago

302K views

2:31

PARTY / 상아(SANGAH) [SUMPLY]

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 2 months ago

211K views

9:58

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 4 months ago

19K views

2:27

Nonsense / 유정(YUJEONG) [SUMPLY]

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 4 months ago

114K views

2:44

라잇썸 데뷔 5주년

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 4 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 7 months ago

124K 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 8 months ago

14K views

18:26

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 8 months ago

25K views

3:57

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

0 views

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 9 months ago

14K views

22:45

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 9 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 9 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 9 months ago

12K views

4:47

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 9 months ago

24K views

3:56

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 9 months ago

2.3M views

0:16

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 9 months ago

112K views

3:44

All About "Ah"

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 10 months ago

23K views

8:27

아아 ASMR

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 10 months ago

44K views

4:15

아아하세요

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 10 months ago

22K views

3:15

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

17M views

7:59

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

27K views

8:51

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

13K 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

15K views

8:53

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

12K views

19:23

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

56K 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

65K 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

62K views

14:08

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

9.1K views

14:26

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

9.8K views

27:22

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

9.6K 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

71K 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

9.1K 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

7.8K 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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

7.3K views

7:10

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

11K 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

9.9K views

11:56

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

5.8K views

3:14

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

LIGHTSUM 라잇썸 (Official YouTube Channel)

Shared 1 year ago

55K views