tripleSMain VocalistLeader (Aria)

DaHyun

다현Seo Da-hyun (서다현)

S10 DaHyun is a main vocalist, drama-OST singer and the leader of tripleS's ballad Dimension Aria.

ColourLavender RoseEmoji

Source: K-POPIT, via Wikimedia Commons · CC BY 3.0

Age: 23; Jan 8, 2003
Height: 160 cm; 5′3″
MBTI: ISFP; self-reported
Debut: 2022; with tripleS

At a glance

Profile

Stage name: DaHyun (다현)
Birth name: Seo Da-hyun (서다현)
Position: Main Vocalist, Leader (Aria)
Birthday: January 8, 2003 (age 23)
Zodiac sign: Capricorn
Chinese zodiac: Goat
Height: 160 cm (5′3″)
Blood type: A
MBTI: ISFP
Nationality: South Korean
Birthplace: Gwangan-dong, Suyeong-gu, Busan, South Korea
Representative colour: Lavender Rose
Representative emoji: 🍒
Nicknames: Soda
Joined: December 9, 2022

8 facts

About DaHyun

Seo DaHyun first appeared on an official soundtrack shortly before MODHAUS revealed her as S10. She debuted on Assemble, became one of tripleS's main vocalists and led the ballad unit Aria.

01
She was revealed as S10 on December 9, 2022.
02
Before her member reveal, she sang I'm In Love With You for the drama Reborn Rich.
03
She completed the first ten-member lineup that recorded Assemble.
04
She is identified in official interview content as one of tripleS's main vocalists.
05
She led the five-member ballad Dimension Aria.
06
Aria debuted with the single album Structure of Sadness in January 2024.
07
She later joined LOVElution and the Neptune Dimension.
08
Her representative emoji is a cherry and her profile nickname is Soda.

11 tracks

Solo & unit tracks

Songs on tripleS releases that feature DaHyun as a solo artist or in a unit.

Oct 1, 2026
“Welcome to Heaven”
Unit: SeoYeon, NaKyoung, DaHyun, Kotone, Nien & SeoAh (neptune) · Welcome to Heaven
Digital single
Nov 24, 2025
“Fly Up”
Neptune: SeoYeon, NaKyoung, DaHyun, Kotone, Nien & SeoAh · Beyond Beauty
EP
Jan 15, 2024
“Door”
Unit: JiWoo, ChaeYeon, Kaede, DaHyun & Nien · Structure of Sadness
Single album
Jan 15, 2024
“Farewell My First”
Unit: JiWoo, ChaeYeon, Kaede, DaHyun & Nien · Structure of Sadness
Single album
Aug 17, 2023
“Muhan”
Unit: SeoYeon, HyeRin, YuBin, Kaede, DaHyun, Nien, SoHyun & Xinyu · Muhan
EP
Aug 17, 2023
“Girls' Capitalism”
Unit: SeoYeon, HyeRin, YuBin, Kaede, DaHyun, Nien, SoHyun & Xinyu · Muhan
EP
Aug 17, 2023
“Complexity”
Unit: SeoYeon, HyeRin, YuBin, Kaede, DaHyun, Nien, SoHyun & Xinyu · Muhan
EP
Aug 17, 2023
“Black Soul Dress”
Unit: SeoYeon, HyeRin, YuBin, Kaede, DaHyun, Nien, SoHyun & Xinyu · Muhan
EP
Aug 17, 2023
“Seoul Sonyo Sound”
Unit: SeoYeon, HyeRin, YuBin, Kaede, DaHyun, Nien, SoHyun & Xinyu · Muhan
EP
Aug 17, 2023
“Cry Baby”
Unit: SeoYeon, HyeRin, YuBin, Kaede, DaHyun, Nien, SoHyun & Xinyu · Muhan
EP
Aug 17, 2023
“Speed Love”
Unit: SeoYeon, HyeRin, YuBin, Kaede, DaHyun, Nien, SoHyun & Xinyu · Muhan
EP

Photo credits

DaHyun of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
SeoYeon of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
HyeRin of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
JiWoo of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
ChaeYeon of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
YooYeon of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
SooMin of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
NaKyoung of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
YuBin of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
Kaede of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
Kotone of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
YeonJi of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
Nien of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
SoHyun of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
Xinyu of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
Mayu of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
Lynn of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
JooBin of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
HaYeon of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
ShiOn of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
ChaeWon of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
Sullin of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
SeoAh of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source
JiYeon of tripleS at the Assemble24 showcase: K-POPIT, via Wikimedia Commons · CC BY 3.0 · source

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DaHyun

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