Seo DaHyun
Leader of Aria, Main Vocalist. One of 24 women proving that a member list can double as cardio.
| Stage name | Seo DaHyun |
|---|---|
| Birth name | Seo Dahyun (서다현 / ソ・ダヒョン / 徐多賢) |
| Birthday | January 8, 2003 |
| Nationality | Korean |
| S number | S10 (ATOM 01) |
| Role | Leader of Aria, Main Vocalist |
| Height | 160.1 cm (5’3″) |
| MBTI | ISFP |
Before tripleS
Dahyun is from Suyeong-gu, Busan, South Korea. Prior to joining tripleS, Dahyun was an Kdrama OST Singer and has sung two OSTs under Modhaus Her talent is harmonizing to different songs and eating (which brings her joy). What got her into K-pop was EXO‘s “Growl” around the age of 13.
tripleS career
Seo DaHyun is S10 (ATOM 01) in tripleS, MODHAUS’s rotating 24-member group. The number is reveal order, not a ranking. Members move through full-group releases and smaller Dimensions selected through the Cosmo voting system.
Her recorded unit and debut trail includes ASSEMBLE.
Fandom file
Fandom: WAV. Digital photocards: Objekts. Voting currency: COMO. Fan votes: Gravity. Yes, the vocabulary sounds like a science-fiction game because this group refuses to be normal.
Vocal career and Dimension work
Seo DaHyun entered tripleS with public vocal work already attached to her name, including drama soundtrack recordings connected to MODHAUS. She was revealed as S10 and became a central vocal reference as the group moved from the early Acid Angel from Asia and +(KR)ystal Eyes period into the first ten-member ASSEMBLE release. Her later leadership in Aria made the vocal-unit context explicit: her role is not simply a profile label, but part of how tripleS assigns tone, harmony and stability across changing Dimensions.
Because DaHyun has formally credited music beyond ordinary group-member participation, CVM Sekai may surface this same canonical person page in both Member and Artist contexts when the taxonomy is verified. The content, hero and metadata must remain one profile. No duplicate solo page is needed.
YouTube tracking history
The official tripleS YouTube channel provides the canonical reveal, SIGNAL, music and performance record for DaHyun. CVM Sekai tracks her from the S10 introduction through ASSEMBLE, Aria and later full-group or Dimension stages, with emphasis on main-vocal lines, harmonies and leadership evidence.
Official links
Members are linked through the official group accounts unless MODHAUS provides a separate public account.