Group Members

Sullyoon (NMIXX) Profile, Bio, and Facts

Sullyoon NMIXX

Sullyoon (설윤) is a South Korean singer and a member of the Kpop girl group NMIXX under JYP Entertainment.

Sullyoon (NMIXX) Profile

Stage NameSullyoon (설윤)
Birth NameSeol Yoon A (설윤아)
BirthdayJanuary 26, 2004
Active Years2021–present
Age19 (in 2023)
Zodiac SignAquarius
Height168 cm (5’6”)
Blood TypeA


Sullyoon (NMIXX) Facts

Early Life

– Sullyoon was born in Taepyeong-dong, Jung-gu, Daejeon, South Korea.
– She graduated from Daejeon Budnae Elementary School and Daejeon Budnae Middle School.
– She transferred to Seodaejeon Girls’ High School and later graduated from Hanlim Entertainment Arts High School majoring in Broadcasting & Entertainment.
– She served as the student council president in elementary school and class president in high school.

Personal Life

– Sullyoon has a younger sister born in 2007 and a younger brother born in 2011.
– Dancing, baking, and listening to music are her hobbies.
– Her charm point is her visuals.
– She’s represented by a Bunny 🐰, and her color is Dark Blue.
– She’s friends with Minji from NewJeans.
– She describes herself as a hamster.
– If she had to choose, she would date Jinni.
– Given a supernatural power of choice, Sullyoon would opt for teleportation.
– Her visuals received praise even during her younger years.
– She didn’t learn makeup until joining the company.
– She self-identifies as someone who cries the most and the easiest.
– Sullyoon the slowest eater in NMIXX.
– Despite imitating cats well, she still considers herself a dog person.
– Her face doesn’t become swollen in the morning.
– She has a fear of ghosts and can’t watch horror movies.
– She was a representative dodgeball player in her hometown.
Jennie from BLACKPINK is her bias.
– She often feels tired.
– Fans think she resembles Nagyung from fromis_9 and Lee Hi.
– Among the members, Sullyoon is the second tallest in NMIXX.
– She and Minji of NewJeans were high school classmates in the Broadcasting major at Hanlim Arts School. They also acted together.
– Sullyoon has a small face and a long neck. According to Haewon, she often purses her lips and sways during dance practices.
– She’s been taking ballet and modern dance classes since she was a toddler.
– She takes care of a plant nursery.
– She has the shortest trainee period in the group.
– She has the largest hands among NMIXX members, with a one-finger difference from Kyujin, who has the smallest hands.
– Her nicknames include “Yoona”, “Ddeolyun”, “Hamster” and “Baby Deer”.
– She learned Spanish in high school as one of her language classes.


– She was the 4th member revealed on September 2, 2021.
– Sullyoon is the vocalist and dancer in NMIXX.
– Her Full Moon qualifying video reached over 1 million views.
– She was privately auditioned in 2020 and passed auditions for SM (2020), YG, Fantagio, and TS (December 2017).
– Among all the NMIXX members, Sullyoon joined JYP Entertainment last.
– She chose JYP Entertainment due to her admiration for TWICE.
– Her journey began when she caught the attention of a guest lecturer in the third grade of middle school. This lecturer, connected to JYP Entertainment, arranged a private audition for her. During her audition, she performed songs by MOMOLAND, Taeyeon, and Ailee. In 2020, – she was signed to JYP Entertainment.
– She had a relatively short training period of a little over one year under JYP Entertainment.
– On April 6, 2023, it was announced that Sullyoon would become a fixed MC for Show! Music Core alongside Jungwoo and Lee Know, starting from April 15.

Likes & Dislikes

– TWICE and Wonder Girls are her favorite artists.
– She favors phone calls over text messages.
– Her favorite color is pink, although she used to like black when she was younger.
– She would like to have a puppy as a pet.
– Sullyoon doesn’t like wearing high heels.
– She likes music genres like city pop and dance.
– Saturday is her favorite day of the week, and she simply states “just” as the reason.

Food Preferences

– She can handle spicy food.
– She doesn’t like mint chocolate.
– She dislikes pineapple pizza, and she generally dislikes baked fruits.
– She likes peaches and doesn’t eat blueberries.
– She prefers ice cream over cakes.
– She likes Greek yogurt.
– Almond BonBon is her favorite ice cream flavor from Baskin Robbins.
– She strongly dislikes olives due to their taste and smell.
– She enjoys chocolate and spicy food.
– She prefers chicken over pizza.
– Sullyoon prefers cider over cola and usually opts for Coke Zero if she drinks cola.


– Among the NMIXX members, Sullyoon is the best at taking selfies.
– She can speak Korean, Spanish, and English.
– She’s very stable when dancing.
– She can sleep soundly while others are singing and dancing.

Personality & Habits

– Sullyoon is considered the most composed member by Lily and BAE.
– Her MBTI type is ISFP-T.
– As a left-handed person, she usually chooses the end of the row to the right of the screen when sitting or standing.
– She is a homebody and prefers to spend time indoors.
– She is afraid of fireworks, even small ones that make a popping sound when stepped on.
– She likes tidiness and dislikes going to bed in street clothes.
– Sullyoon is the quietest member in NMIXX and the most fearful of scary movies and escape rooms.

Streaming Platform Links
Genie | Bugs | Melon

NOTE: If you know more facts about Sullyoon (NMIXX) feel free to submit them in the comments section! All submissions will be greatly appreciated!



Lilian Chen

Yo! I'm Lilian, an Ahgase and a curious wordsmith on a never-ending quest for knowledge. Don't hesitate to spot any slip-ups in my work and feel free to reach out with additional facts & insights! ^^