A I W E O Members Profile

A I W E O Profile and Facts

A I W E O (known as 아이우에오; known as Authentic Girl Band pre-debut) is a four-member South Korean girl band under authentic. The lineup consists of Dayeong, Dream, Hyunsu, and Seoyu. They will debut in 2026 with the EP BE MY HUG.

Group Name Meaning: “The team name AIWEO carries the meaning that four members with distinct individualities will come together to create one massive resonance, much like different vowels connecting seamlessly” (Source).
Official Greeting: N/A

A I W E O Fandom Name: N/A
A I W E O Official Fandom Color: N/A

A I W E O Official Logo:

Official SNS:
Instagram: @a.i.w.e.o
Naver Blog: @authenticgirlband
SoundCloud: @authenticgirlband
YouTube: @아이우에오 A I W E O

A I W E O Members Profiles:
Dayeong

Stage Name: Dayeong (다영)
Birth Name: Jeong Dayeong (정다영)
Position(s): Leader, Sub Guitarist, Sub Vocalist
Birthday: July 23, 2004
Zodiac Sign: Leo
Chinese Zodiac Sign: Monkey
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENFJ
Nationality: Korean
Instagram: @dayeonggram
Threads: @dayeonggram
YouTube: @DAYEONG 다영

Dayeong Facts:
– She was born in Pohang, North Gyeongsang Province, South Korea.
– Dayeong lived alone for 3 years starting from the age of 20 in Seoul, South Korea. Dayeong still lives in Seoul, South Korea.
– The most enjoyable movie she has watched is Salmokji: Whispering Water.
– Her favorite nicknames are Ganadi and Dayoi.
– She used to work part-time and go to school at the same time.
– Dayeong was scouted by Authentic via a direct message on her official account after posting a song cover of HANRORO‘s “사랑하게 될 거야 (Landing In Love),” which went viral.
– To relieve stress, she eats something delicious by herself and just goes to sleep or she calls a real close friend for at least 3 hours.
– Her grandfather named her Dayeong, which means “many (다)” and “shining (영).” She was almost named Seoyoung.
– At first, her dad was strongly against music, but she and her mom had secretly talked about it for about 3 years as a hobby.
– Whenever she sleeps, she usually wears a short-sleeved shirt and thin pants because she hates feeling stuffy.
– Her favorite season is spring.
– She won the grand prize in the 18th World Youth Korean Speech Contest in the North Gyeongsang Province Representative Selection in 2013.
– The top 3 apps she uses are Instagram, YouTube, and Naver Maps.
– Dayeong is a big fan of HANRORO.
– She attends Dong-ah Institute of Media and Arts School of Applied Music, where she is in the Division of Composition. She is currently on a leave of absence.
– Her favorite moment of the day is when she walks around during the day holding a coffee, especially walking in nature.
– On YouTube, she usually watches the South Korean series I Am a Natural Person and Screening Humanity.
– Dayeong was a part of the Newaile Vocal Pirate Crew, which is a vocal team trained by singer Newaile.
– Her favorite snack is Crown Confectionery corn chips.
– A show she wants to appear on is Talk Pawon 25 O’Clock.
– She doesn’t really play video games, but when she does, she plays PUBG Mobile.
– Her motto is “Do not be bound by the past.”
– Dayeong’s most treasured items are her phone and the things inside her treasure box.
– If she had to describe herself in one word, she would say ambitious because when there’s something she wants to do, she gathers courage and jumps in.
– Whenever a holiday comes around, she likes to go down to her hometown to rest comfortably, eat plenty of her mother’s food, and go for a nice, long walk by her healing spot, which is the ocean.
– Her special skill is imitating people around her.
– Dayeong’s pre-natal nickname was strawberry because when her mom had morning sickness, she craved strawberries so much.
– Ganadi emoticons are her most frequently used emoticons.
– She was a guest vocalist on the 015B songs “Our Way” and “How R U”.

Dream

Stage Name: Dream (드림)
Birth Name: Choi Dream (최드림)
Position(s): Main Vocalist
Birthday: February 2, 2004
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Monkey
Height: ~170-172 cm (~5’6″ – 5’7″)
Weight: N/A
Blood Type: N/A
MBTI Type: INFP
Nationality: Korean
Instagram: @dreeam.o0
SoundCloud: @(D)ream
Threads: @dreeam.o0

Dream Facts:
– Dream was born in Guri, Gyeonggi Province, South Korea.
– Some music artists she listens to are beabadoobee, wave to earth, and The Volunteers.
– She has an older brother, a younger sister, and a younger brother.
– Her parents say that when she was a child, she used to turn on music on TV every day, sing along, play the piano, and pretend to play guitar & drums like a band.
– Dream took vocal classes at Jam Practical Music Academy.
– A favorite character she has is Pompompurin from the Hello Kitty franchise.
– Three of her role models are Olivia Rodrigo, Kim Daniel from wave to earth, and So!YoON! from SE SO NEON.
– She attends Howon University, where she is in the Department of Practical Music majoring in vocal.
– Dream is studying Japanese.
– Some of her favorite times of the day are the time spent loosening up her body while stretching, the time spent writing in her diary before going to sleep, and the time she spends sleeping.
– A special skill she has is imitating voices and manners of people.
– Her parents gave her a name that means “giving everything to God.” Her dad originally wanted to name her Choi Da-dream, which sounds like “give everything” in Korean, but he named her Choi Dream instead because he thought her friends would tease her.
– Before joining the band, she was a part-time recording worker at a place recommended by a school friend and a busker.
– Authentic’s CEO reached out to Dream out of nowhere via DM, even though she’d never applied or posted any singing clips online. She was unsure at first, but going to labelmate HANRORO‘s concert plus getting offered the CEO’s homemade Dubai chocolate cookies convinced her to join the company.
– She was featured on CeREELs’ song “Evil Santa”.
– On YouTube, she usually watches workout videos, the YouTube series I Hate Scary Things (무딱싫), and videos related to music.
– The top 3 apps she uses the most on her phone are Apple Music, KakaoTalk, and Instagram.
– A favorite movie genre she has is horror.
– Two of her favorite snacks are White Heim and Orion Market O’s Cheese Tok.
– During holidays, she likes to go to her maternal grandmother’s house to eat the food her grandma cooks, play basketball, and ride bikes together at the nearby park.
– Her pre-natal nickname was Dreamy (or Dream-i) because the hospital let her mother know early on that Dream was a girl, so her parents held a vote on candidate names.
– Some of her favorite movies are the 2010 movie Tangled, the 2007 movie Paranormal Activity, the 2024 movie Drawing Closer, and the 2025 movie How to Train Your Dragon.
– Her treasured items are the letters she receives and her electric guitar.
– To relieve stress, she likes to get hugged by her mother or take some time to herself while listening to music.
– Minecraft and My Tamagotchi Forever are her favorite games.
– Her nickname is Deumi (드미).
– Dream’s favorite foods are HANJUNGSUN rice cakes (especially the Dubai chocolate and Gold Kiwi flavors) and her grandmother’s yangnyeom-gejang.
– All of the seasons are her favorite.
– Her favorite type of emoticons are Ganadi emoticons.

Hyunsu

Stage Name: Hyunsu (현수)
Birth Name: Jo Hyunsu (조현수)
Position(s): Guitarist
Birthday: August 3, 2006
Zodiac Sign: Leo
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ISTP
Nationality: Korean
Instagram: @jjhyunsu
Threads: @jjhyunsu

Hyunsu Facts:
– Hyunsu is from Masan, Changwon, South Gyeongsang Province, South Korea.
– The most enjoyable movie she has watched is the 2024 Japanese movie HAPPYEND.
– She has an older brother.
– Her top 3 most used apps on her phone in order are Instagram, Naver Maps, and KakaoTalk. She says she is a terrible directionally-challenged person that she can’t survive without Naver Maps.
– Without a set career path, Hyunsu decided to learn guitar as a hobby, but she fell so in love with playing at home that she ended up skipping her classes at the local music academy just to keep practicing.
– Whenever she gets angry or needs to calm her mind down, she has a habit of whistling.
– She worked part-time at a meat restaurant for about a year and a café to pay the monthly rent for the studio during her leave of absence after one semester of university.
– When she was in high school, she dreamed of becoming a variety show PD because she loved the show New Journey to the West.
– Hyeonsu made about three demos a week while working part-time jobs until she emailed six of her best tracks to Authentic, and got a phone call back from the company just a few hours later.
– To relieve stress, she likes to eat tteokbokki, gopchang, dakbal, and other foods she usually holds back from eating.
– Before sleeping, she likes to look at Naver Maps, find good restaurants, save them, and visit them the next day.
– Ever since she was little, she really liked singing.
– Some of her special skills are whistling, having toe strength, and becoming close friends with cats.
– She attended Baekseok Arts University, where she was in the Department of Contemporary Music.
– The early morning time is her favorite time of the day.
– Whenever she has time off, she plays her favorite music loudly and takes a nap on her sofa. On days with nice weather, she likes to pick up a cup of smoothie and just walk aimlessly alone for hours.
– Hyunsu writes lyrics and composes songs.
– Her name broken down by meaning is Jo (나라 조 – nation), Hyun (어질 현 – virtuous / wise), and Su (빼어날 수 – outstanding / outstandingly bright). It was given to her with the meaning to “Become a person who shines brightly and outstandingly with good wisdom!!!”
– Hyunsu considered using the stage names Yaongi (야옹이; kitty), but she ended up sticking with her birth name.
– On YouTube, she usually watches ChimChakMan’s channel, the Chimchuldan trio, the show New Journey to the West, anime clips, the series “Kang’s Kitchen”, ddeong-gae’s channel, ryujehong’s channel, the High Kick! series, and horror game streams.
– She is a homebody.
– Her favorite snacks in order from first to second place are Crown Confectionery corn chips (Specifically the super sweet corn flavor) and the Nongshim Basakchuri Gotwi Sweet Potato Snack.
– A hobby she has is browsing bookstores.
– Her most treasured items are her two Fender Stratocaster guitars, her two acoustic guitars, and her one semi-acoustic guitar.
– Hyunsu considers herself a die-hard Overwatch fan. When she gets tired of playing it, she plays Valorant instead. She also plays League of Legends, Homescapes, and Infinite Stairs.
– She bought her first guitar, which is a teal Schecter guitar that she still uses, when she started preparing for college entrance exams.
– Hyunsu bought a semi-acoustic guitar because there was a period where she used to listen to Wes Montgomery a lot.
– Some of her favorite foods are bread (#1 favorite), yupgi rose tteokbokki, and rose tteokbokki with mala sauce.
– A nickname she has is Johsu.
– Her favorite season is winter.
– Three of her favorite emoticons are the small chubby French bulldog emoticons (Link), the baby kkaedeuki emoticons (Link), and the hand painted TAMAGOTCHI Friends emoticons (Link).
– If she had to describe herself in one word, she would say fuse (도화선) because when she feels like doing something, even if she’s scared, she tends to dive right in and try it out first.
– A favorite motto she has is “If I do it, it (unconditionally) works.”
– Hyunsu has a French bulldog.
– She is the second youngest in this band.

Seoyu

Stage Name: Seoyu (서유)
Birth Name: Jeon Seoyu (전서유)
Position(s): Bassist, Maknae
Birthday: May 19, 2008
Zodiac Sign: Taurus
Chinese Zodiac Sign: Rat
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: INFP
Nationality: Korean
Instagram: @seoyuuj
Threads: @noahseoyu
YouTube: @서유왕방울

Seoyu Facts:
– She was the last member to join the band.
– A few nicknames she has are Sseo-yu, Sseo-sseo-yu, and Yu-ya.
– Her full name broken down with the meaning is Jeon (온전할 전 – whole/complete), Seo (깃들일 서 – to dwell/nestle), Yu (오직 유 – only/sole). It was given to her with the meaning of becoming a person who dwells in the world as a whole being and guards only her own path and will.
– On YouTube, she usually watches people playing bass and ChimChakMan. She says she doesn’t really watch YouTube and prefers watching videos on Instagram.
– Three favorite music artists she has are Effie, HAON, and Sik-K.
– Seoyu has been playing bass since the April of her 3rd year of middle school.
– One of her favorite music genres is electronic.
– A series she recommends is Hunter x Hunter.
– If she had to describe herself in one word, she would say youth.
– Among all of the Sgt. Frog characters, she likes Dororo the most.
– The first bass she had was purple.
– Her top 3 most used apps on her phone are Instagram, Apple Music, and Cookie Run.
– She quit her part-time job right before joining the band.
– Seoyu is a fan of ChimChakMan.
– Several of her frequently used emojis are 🥹, 😭, 🫂, 🩷, 🤘, 🩵, and 💖.
– She says she’s good at board games. She’s played Splendor for 5 hours before.
– Some of her favorite foods are intense spicy food that are red, gopdoritang, and sushi.
– Seoyu attended Incheon Popular Arts High School, where she was a bass major.
– She took music classes at SM Music Academy. Also, she took bass lessons from Siyong Lee.
– Seoyu was a part of the musical group JeonJeonDuo.
– Two emoticon sets she uses the most on KakaoTalk are the Honorific bear Part3 pack (Link) and the Take my love! My Melody pack (Link).
– A hobby she has is listening to music.
– She says she doesn’t really eat snacks, but when she does, she eats Ottogi’s Ppushu Ppushu.
– Her most cherished item is her Fender American Professional II Jazz Bass 3-color Sunburst Maple Fingerboard bass guitar.
– A special skill she has is making delicious coffee.
– Her motto is “Wherever it leads.”
– Seoyu says she doesn’t really watch movies, but a movie she enjoys the most is Mean Girls.

made by: brightliliz

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Note 2 (Positions): Dayeong‘s leader & sub guitar & sub guitar position, Dream‘s main vocalist position, Hyunsu‘s guitar position, and Seoyu‘s bassist position was confirmed in this video.

Who is your favorite A I W E O member?

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• Hyunsu 0%, 0 votes

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• Seoyu 0%, 0 votes

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• Dream 0%, 0 votes

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August 30, 2026

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