Yoon Seo Yeon
- Name: Yoon Seo Yeon
- Native name: 윤서연
- Also Known as: Seoyeon, YSY, Yoon Seoyeon
- Nationality: South Korean
- Gender: Female
- Born: August 6, 2003
- Age: 23
She made her official debut in February 2023 as the group's vocalist with their first EP, "Assemble". They are managed by ModHaus (모드하우스), who crafted tripleS to be a decentralized idol group where the members will rotate between the full group, sub-units, and solo activities, as chosen by fans. As such, she is part of 3 different sub-units: +(KR)ystal Eyes, Acid Eyes and LOVElution. The agency has also assigned each member a number, and hers is S1.
(Source: MyDramaList) Edit Biography
Drama
| Title | Rating |
|---|---|
What Summer Loves
Korean Drama, 2024, 58 eps
Baek Yeo Reum
(Main Role)
|
7.4
|
TV Show
| Title | Rating |
|---|---|
Badge War Season 4: Trust No One
Korean TV Show, 2026, 4 eps
(Regular Member)
|
8.7
|
2025 Idol Star Athletics Championships
Korean TV Show, 2025, 3 eps
(Regular Member)
|
7.6
|
Badge War Season 3: No Badge No Power
Korean TV Show, 2025, 4 eps
[Contestant]
(Regular Member)
|
8.3
|
Workdol Season 4
Korean TV Show, 2025, 25 eps
(Ep. 11)
(Guest)
|
7.8
|
Min Ju's Pink Cabinet
Korean TV Show, 2024, 51 eps
(Ep. 21)
(Guest)
|
8.2
|
2024 Idol Star Athletics Championships Chuseok Special
Korean TV Show, 2024, 3 eps
(Regular Member)
|
7.7
|
Badge War Season 2
Korean TV Show, 2024, 4 eps
[Contestant]
(Regular Member)
|
8.1
|
Gone PD
Korean TV Show, 2024, 3 eps
[Contestant]
(Regular Member)
|
6.7
|
Inssadong Sulzzi
Korean TV Show, 2024, 22 eps
(Ep. 19)
(Guest)
|
8.2
|
Strong Girl: Badge War
Korean TV Show, 2023, 4 eps
[Contestant]
(Regular Member)
|
8.2
|
Queendom Puzzle
Korean TV Show, 2023, 10 eps
[Contestant] (Ep. 1-8)
(Regular Member)
|
7.3
|
Ano-chan no Den Den Denpa
Japanese TV Show, 2023, 180 eps
(Ep. 70)
(Guest)
|
0.0
|
Girls Night Out
Korean TV Show, 2023, 12 eps
(Ep.1)
(Guest)
|
0.0
|
K-Pop Generation
Korean TV Show, 2023, 8 eps
(Regular Member)
|
7.6
|
Secret Airlines
Korean TV Show, 2022, 21 eps
(Ep. 18)
(Guest)
|
0.0
|
Aiki's Thumbs Up
Korean TV Show, 2022, 57 eps
(Ep. 47)
(Guest)
|
7.7
|
Omniscient Interfering View
Korean TV Show, 2018, 500 eps
[Special appearance] (Ep. 303) | [Guest] (Ep. 307)
(Guest)
|
7.8
|
After School Club
Korean TV Show, 2013, 671 eps
(Ep. 555, 577)
(Guest)
|
7.8
|
Weekly Idol
Korean TV Show, 2011, 707 eps
(Ep. 662)
(Guest)
|
8.1
|
Immortal Songs: Singing the Legend
Korean TV Show, 2011, 800 eps
(Ep. 675)
(Guest)
|
8.2
|
Trending Articles
Kim Soo Hyun confirmed as presenter for 2026 The Fact Music Awards
News - Aug 28, 2026
Actor Kim Soo Hyun will be appearing as a presenter at the 2026 The Fact Music Awards
Zhao Lusi to star in a new Chinese drama
News - Sep 5, 2026
Zhao Lusi will possibly be gracing the small screen again!
Top 9 K-drama villains who (almost) overshadowed the heroes
Editorials - Sep 5, 2026
From calculating masterminds to ruthless fighters, here are some K-drama villains who captivated viewers with their presence
Chinese AI actress Fang Taozi rises to fame as virtual stars enter commercial market
News - Sep 9, 2026
"Virtual beings" are now evolving from mere characters on screens into a business that can be assigned a market value
Mun Ka Young and Cha Eun Woo to possibly reunite for a new K-drama
News - Sep 8, 2026
Mun Ka Young's agency Fantagio releases a statement
Top 9 C-drama female warriors every Mulan fan should know
Editorials - Sep 12, 2026
If you're a Mulan fan looking for your next favorite warrior heroine, here are some C-dramas you'll want on your watchlist
New AI drama 'The Rescue' confirmed for production
News - Sep 7, 2026
Generative AI content is expanding beyond video experiments into season-based drama IPs
Following Lee Jong Suk's departure, Choi Yun Ji exits 'Iseop's Romance'
News - Sep 11, 2026
Choi Yun Ji has stepped down from the upcoming drama 'Iseop's Romance'
