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NMIXXJYP Entertainment
Sullyoon
설윤아 | Seol Yoon Ah
VocalistDancerVisual
Discover everything about Sullyoon (NMIXX) including her age, birthday, height, visuals, training period, MC career, hobbies, and journey from student leader to one of K-pop's standout fourth-generation idols.
Sullyoon NMIXX Profile
- Birthday
- Jan 26, 2004
- Age
- 22
- Height
- 167 cm
- Nationality
- South Korean
- Blood type
- A
- MBTI
- ISTP
- Zodiac
- Aquarius
- Place of birth
- Daejeon, South Korea
Videos
Visit YouTube Channel →About Sullyoon
Background
Born on January 26, 2004, in Daejeon, South Korea, Sullyoon displayed leadership qualities long before entering the entertainment industry. She served as student council president during elementary school and later became class president in high school, earning a reputation among teachers and classmates for her responsibility and calm demeanor.
Her path to becoming an idol was remarkably competitive. Sullyoon successfully passed auditions for multiple major companies, including SM Entertainment, YG Entertainment, The Black Label, Fantagio, and TS Entertainment before ultimately choosing JYP Entertainment because of her admiration for TWICE. After training for just over a year — one of the shortest trainee periods in JYP history — she debuted in 2022 as a member of NMIXX and quickly became known as one of the defining visuals of fourth-generation K-pop.
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Why Fans Love Sullyoon
Fans frequently praise Sullyoon for combining elegance with unexpected charm. Her visuals often lead people to assume she has a quiet and distant personality, but longtime fans know her as thoughtful, playful, and surprisingly funny. Many of her most memorable moments come from the contrast between her graceful appearance and her unexpectedly deep voice or quirky habits.
Another reason fans connect with her is her dedication to communication. Despite describing herself as an introvert, Sullyoon is known for maintaining one of the closest relationships with fans in NMIXX through frequent messages and updates. Her consistency and sincerity have helped her build an exceptionally
Fun facts
- Sullyoon served as student council president in elementary school and later became class president during high school. Source: NMIXX Wiki
- Before joining JYP Entertainment, she successfully passed auditions for SM Entertainment, YG Entertainment, Fantagio, The Black Label, and TS Entertainment. Source: NMIXX Wiki
- She ultimately chose JYP because she was a huge fan of TWICE. Source: NMIXX Wiki
- Sullyoon trained for just over one year before debuting, making her one of the shortest-trained artists in JYP Entertainment history. Source: KProfiles
- She began studying ballet and modern dance as a toddler, years before becoming a trainee. Source: KProfiles
- Her early dance education gave her a strong technical foundation that helped accelerate her training process. Source: KProfiles
- Sullyoon attended Hanlim Multi Art School alongside Minji from NewJeans, with both students majoring in broadcasting. Source: NMIXX Wiki
- The two idols have remained friendly and have appeared together professionally. Source: NMIXX Wiki
- She was introduced as the fourth NMIXX member through a cover of Sunmi's "Full Moon." Source: NMIXX Wiki
- The reveal video became one of the group's earliest viral successes, surpassing one million views. Source: NMIXX Wiki
- Despite identifying as an introvert, Sullyoon is considered one of the most active idols on Bubble. Source: OMG! Idol
- She has reportedly sent more than 10,000 messages to fans through the platform. Source: OMG! Idol
- Sullyoon worked as a fixed MC on Show! Music Core from April 2023 until February 2025. Source: NMIXX Wiki
- During her MC tenure, she worked alongside idols such as Jungwoo from NCT and Lee Know from Stray Kids. Source: NMIXX Wiki
- Haewon once famously described her as someone who "talks like a fairy but sneezes like a general." Source: OMG! Idol
- Fans adore the contrast between her elegant image and her surprisingly powerful sneezes. Source: OMG! Idol
- Sullyoon is left-handed, making her the only southpaw in NMIXX. Source: NMIXX Wiki
- She often positions herself on the end of group formations so her dominant left side faces outward. Source: NMIXX Wiki
- One of the biggest surprises for new fans is her naturally deep speaking voice, which contrasts with her visual image. Source: OMG! Idol
- Despite remaining calm in stressful situations, she is famously the member most afraid of horror movies and escape rooms. Source: NMIXX Wiki
- Gardening is one of her favorite hobbies, and she maintains her own small collection of plants. Source: Kpop Singers
- She also enjoys baking and often makes treats for fellow members. Source: Kpop Singers
- Member Bae has specifically praised Sullyoon's homemade cookies. Source: Kpop Singers
- She owns a Pomeranian named Bomi. Source: NMIXX Wiki
- On December 31, 2024, she participated in a special MBC Gayo Daejejeon collaboration stage with Karina and Yuna. Source: OMG! Idol
- The collaboration immediately generated excitement among fans who dubbed the trio a "visual super unit." Source: Entertainment coverage and fan reactions.
FAQ
- How tall is Sullyoon?
- Sullyoon is 167 cm tall.
- How old is Sullyoon?
- Sullyoon is 22 years old.
- Where is Sullyoon from?
- Sullyoon is from South Korean.
- What group is Sullyoon in?
- Sullyoon is a member of NMIXX.
- What is Sullyoon's MBTI?
- Sullyoon's MBTI type is ISTP.
- What is Sullyoon's position?
- Sullyoon's position is Vocalist, Dancer, Visual.
- What is Sullyoon's real name?
- Sullyoon's birth name is Seol Yoon Ah.
