2:53
이서연 (Y:SY) 'ENERGY' Official Video
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Shared 1 month ago
118K views
3:30
이서연 (Y:SY) 'NAKED' Official MV
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276K views
1:07
Lee Seo-yeon (Y:SY) 1st Mini Album [𝑮𝑶𝑶𝑫𝑰𝑬𝑺] Highlight Medley
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이서연 (Y:SY) 'ENERGY' Official Video Teaser
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이서연 (Y:SY) | CHRISTMAS CAROL MEDLEY🎄☃️
Shared 10 months ago
31K views
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The Kulture Study: Y:SY 'ENERGY' MV
Form of Therapy
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3:11
Stay Beautiful Live Clip YouTube
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이서연 Y:SY My Blanket Demo (Lyrics)
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2:39
이서연 Y:SY Language Demo (Lyrics)
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8:56
261002 이서연(Y:SY) - LANGUAGE · Stay Beautiful · ENERGY / 안산대 축제
Today's Sunshine (레뮤라스)
Shared 4 weeks ago
1.1K views
4:43
fromis_9 vs Martin Garrix, Matisse & Sadko - Supersonic x Mistaken MASHUP
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this went beyond my expectations | (Y:SY) 'NAKED' mv reaction
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270 views
3:07
이서연(Y:SY) - "Stay Beautiful"
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3:06
이서연 (Y:SY) 'NAKED' (Official Audio)
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Y:SY 이서연 'NAKED' Official Audio
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361 views
11:22
솔로 아티스트 이서연 (Y:SY)을 이루는 색과 조각들, 첫 미니 앨범 [GOODIES]|𝙇𝘼𝙉𝙂𝙐𝘼𝙂𝙀, 𝑬𝑵𝑬𝑹𝑮𝒀
피버TV - FEVER TV
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3:02
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1:24
이서연, 시크 러블리 갱얼쥐 '귀엽게 보조개 미소까지'··· 2026 FW 서울패션위크 YISEOYEON SFW [비하인드][4K] #이서연 #SFW
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Shared 8 months ago
354 views
1:09
이서연 x 바다 - 소란스런 이별 | Y:SY x BADA - Our Loud Goodbye
Shared 3 months ago
112 views
3:05
29 views
y:sy 'NAKED' DS lyrics
m1lviwi
368 views
2:52
Y:SY(이서연)-ENERGY [Instrumental]
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3:15
fromis_9 vs MANSE - In the Mirror x Without You MASHUP
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이서연(YI SEOYEON) 2026 F/W 서울패션위크 출근길 | 260207
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7:53
THIS A VIBE!! | Y:SY (이서연) - ENERGY MV Reaction & Review
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231 views