Group Members

Hwiseo (H1-KEY, EL7Z UP) Profile, Bio, and Facts

Hwiseo H1-KEY

Hwiseo (휘서) is a South Korean singer and a member of the girl group H1-KEY under GLG. She is also a member of the upcoming girl group EL7Z UP.

Hwiseo (H1-KEY, EL7Z UP) Profile

Stage Name Hwiseo (휘서)
Birth Name Jo Hwi Hyeon (조휘현)
Occupation Singer
Birthday July 31, 2002
Active Years 2018–present
Age 21 (in 2023)
Zodiac Sign Leo
Height 169 cm (5’7″)
Weight N/A
Nationality Korean
Blood Type N/A

Hwiseo (H1-KEY, EL7Z UP) Facts:

Early Life

– Hwiseo was born in Dongdaemun-gu, Seoul, South Korea.
–  She graduated from Hwigyeong Girls’ Middle School.
–  She completed her education at Hanlim Multi Arts School, majoring in the Practical Dance Department.

Personal Life

– Among the H1-KEY members, Hwiseo is the only one who can drive.
– She is fascinated Yel’s unique piercings.
– Her laughter comprises three consecutive different tones.
– She has a bright and optimistic personality.
– During high school, she became friends with Yeonsu of ADYA, Dohee of cignature, and Yunjin Heo of LE SSERAFIM.
– She has a male dog named Richie, with his picture as her phone’s background image.
– She has a pet cat named “Woody”.
– Her role model is Jeon Soyeon.
– She has younger siblings.
– She crafted a friendship ring for Yel and also got a similar ring from Riina with the nickname “Hwinique” (Hwiseo + Unique).
– Seoi describes Hwiseo as the mood maker of H1-KEY.
– A favorite line in “Rose Blossom” for her is “standing strong getting by moment to moment.”
– Hwiseo doesn’t handle tense situations well.
– Riina says she is similar to the character Choigosim, noting her smiling eyes.
– She often sings the song “Slow Heartbeat” by Layone.
– Her aspirations involve becoming an all-rounder capable of lyrics, composition, and production, aiming to resonate with the public.
– The size of her index finger is 11.
– She has many idol friends, including Koeun from Purple Kiss, Doshi, Suan, Yuki, Remi from Cherry Bullet, Julie from KISS OF LIFE (a former trainee classmate), and Nien from tripleS.
– Her participation in competitions never resulted in a last-place position until the Queendom Puzzle Remix Battle.
– Her motto is: “Just do what you’ve always worked hard for. We can all do well together.”
– She owns her own car.
– In H1-KEY, Hwiseo often takes charge of preparing food or arranging fruits in the dorm.
– She considers her eyes and anti-war beauty to be her attractive points.
– Her nickname is Na Heeyong.


– Hwiseo is the main vocalist and rapper in “H1-KEY.”
– In Queendom Puzzle, she participated alongside another H1-KEY member, Riina.
– Hwiseo secured the 1st rank in episode 9 with 594,400 votes in the show “Queendom Puzzle” and was included in the project group “EL7Z UP”.
– She has nine and a half years of training, starting from 5th grade, under Source Music, The Black Label, and FNC Entertainment.
– She participated as “Picnic Place” on the show “King Of Masked Singer”.

Likes & Dislike

– Tigers are her favorite animals, even visiting a local zoo to watch tiger cubs grow.
– She also loves Capybaras.
– Hwiseo enjoys crafting, watching movies, and walking with her fellow H1-KEY members.
– She likes gazing at stars in the night sky.
– She likes colored dresses over black ones.
– Red, black, and hot pink are her favorite colors.
– Monsteras and stuckyis are her favorite plants; she believes flowers have short lifespans.

Food Preferences

– Coffee is her favorite beverage.
– She loves to eat fried chicken, hamburgers, and fruits.
– Her favorite foods include Pizza and baekseolgi (white tteokbokki).
– She enjoys spicy food.


– Hwiseo is good at Flips, splits, and beatboxing.
– She is skilled at racing video games.
– She struggles with headphone games.
– She is not scared of amusement rides.
– She is skilled in Korean folk singing.

Streaming Platform Links
Genie | Bugs | Melon

NOTE: If you know more facts about Hwiseo (H1-KEY, EL7Z UP), feel free to submit them in the comments section! All submissions will be greatly appreciated!

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Park Emma

I'm a big fan of K-pop, especially the group EXO, and Baekhyun is my Bias. When I'm not writing about K-pop, I enjoy reading books. Join me as I explore the world of K-pop and literature through my writing.

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