Editorials 
Seo Ah
- Name: Seo Ah
- Native name: 서아
- Also Known as: Jung Haerin, Jeong Hae Rin, Jeong Haerin, 정해린, Seo A
- Nationality: South Korean
- Gender: Female
- Born: June 11, 2010
- Age: 16
She made her official debut in May 2024 as the full group's maknae with their first album, "Assemble24". One month later, she made her debut as part of the sub-unit Glow with their first digital single, "Inner Dance".
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 one different sub-unit, Glow. The agency has also assigned each member a number, and hers is S23.
(Source: MyDramaList) Edit Biography
TV Show
| Title | Rating |
|---|---|
Badge War Season 4: Trust No One
Korean TV Show, 2026, 4 eps
(Regular Member)
|
8.3
|
Badge War Season 3: No Badge No Power
Korean TV Show, 2025, 4 eps
[Contestant]
(Regular Member)
|
8.3
|
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
|
Ano-chan no Den Den Denpa
Japanese TV Show, 2023, 180 eps
(Ep. 70)
(Guest)
|
0.0
|
Omniscient Interfering View
Korean TV Show, 2018, 500 eps
[Special appearance] (Ep. 303) | [Guest] (Ep. 307)
(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
|
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