PC: Highup Entertainment
|Name||SEEUN | 세은|
|Full Name||Yoon Seeun | 윤세은 | 尹勢銀|
|Born||June 14, 2003|
|Hometown||Pyeongtaek, Gyeonggi-do, South Korea|
|Height||165cm | 5′-05″|
|Family||Mother, Father, Older Sister, Younger Brother, Rich (cat)|
|Education||Kyungil High School|
Hankwang Girls’ Middle School
Pyeongtaek Seongdong Elementary School
|Years Active||2020 – present|
- Training Period: 2 years and 9 months (13 months under Highup)
- Highup Audition Songs
Vocal: As I am by Yerin Baek
Dance: STEP BY STEP by OH MY GIRL, DALLA DALLA by ITZY
- She was a child actress.
- She is a former Play M Entertainment trainee.
- Specialty: flute
- Her English name is Cherry.
- Role Model: TAEYEON (Girls’ Generation)
- Her childhood dream was to become a flight attendant or an elementary school teacher.
- Apink inspired her to become a singer.
- MBTI: ISFP → INFP → ENFP
- Nickname: Senni
- Color: blue
- Ice Cream Flavor: mint chocolate chip
- Season of the Year: winter
- Word: STAYC, saranghae (I love you)