HYUN SEO

- DayDream
- DayDream - Single · 2025
- Our Ending (feat. HYUN SEO)
- Our Ending (feat. HYUN SEO) - Single · 2022
- GOOD-BYE
- GOOD-BYE - Single · 2025
- don't go
- don't go - Single · 2026
- 내 플레이리스트는 온통 너였다 (feat. HYUN SEO)
- 내 플레이리스트는 온통 너였다 (feat. HYUN SEO) - Single · 2022
- I'll be your green light (feat. Kim Seungmin)
- ABOUT MY DARK CLOUD Part.1 - EP · 2022
- slowly, gradually (Feat. siso)
- slowly, gradually (Feat. siso) - Single · 2024
- Without you (feat. Lokid)
- playground, Vol. 1 - Single · 2022
- Alley
- ABOUT MY DARK CLOUD Part.1 - EP · 2022
- No (feat. Halsoon)
- No (feat. Halsoon) - Single · 2023

don't go - Single

don't go - Single

2026
Raindrop - Single

Raindrop - Single

2026
Sorry that I'm sorry - Single

Sorry that I'm sorry - Single

2026
MY NAME IS - Single

MY NAME IS - Single

2025
Repeat - Single

Repeat - Single

2025
GOOD-BYE - Single

GOOD-BYE - Single

2025
1 Min 1 Sec (Odd Girl Out X HYUN SEO) [Original Soundtrack] - Single

1 Min 1 Sec (Odd Girl Out X HYUN SEO) [Original Soundtrack] - Single

2025

A day goes by (feat. HYUN SEO) - Single

A day goes by (feat. HYUN SEO) - Single

Lee Min Seok
Sweetlove (feat. HYUN SEO) - Single

Sweetlove (feat. HYUN SEO) - Single

ONDA
love makes us (feat. HYUN SEO) - Single

love makes us (feat. HYUN SEO) - Single

Halsoon
Don't Know Why (feat. HYUN SEO) - Single

Don't Know Why (feat. HYUN SEO) - Single

Vahn
Trace (feat. VVON, HYUN SEO & 123) - Single

Trace (feat. VVON, HYUN SEO & 123) - Single

yowoon
빙빙빙 (feat. HYUN SEO) - Single

빙빙빙 (feat. HYUN SEO) - Single

Ezzle
You You You (Feat. HYUN SEO, FR:EDEN) - Single

You You You (Feat. HYUN SEO, FR:EDEN) - Single

Juvenil