Boy Groups

UX1 Members Profile & Facts

UX1-Feature

UX1 is a fourth subunit of the boy group U-KISS. The members are Kevin, Hoon and Kiseop. Their debut is unknown.

UX1 Profile

DebutN/A
Active Years2025-present
UX1 MembersKevin, Hoon, Kiseop
GenreN/A
StatusPre-debut
LabelN/A
Oldest MemberKiseop
Youngest MemberKevin
Former MemberN/A
Fandom NameN/A

UX1 Facts:

– UX1 consists of two current members of U-Kiss, Kiseop and Hoon and one former member Kevin.
– The subunit was announced on November 1, 2025.
– They will hold a concert series in Japan scheduled in December 2025.

SOCIAL MEDIA HANDLES
Instagram: ux1_official 
Youtube: UX1
Twitter: ux1_official 

UX1 Members Profile

1. Kiseop

Stage NameKiseop (기섭)
Birth NameLee Ki Seop (이기섭)
PositionVocalist, Visual
BirthdayJanuary 17th, 1991
Active Years2008-present
Age34 (in 2025)
Zodiac SignCapricorn
Height181 cm (5’11”)
Weight64 kg (141 lbs)
NationalityKorean
Blood TypeN/A
MBTIN/A

Kiseop Facts:

– Kiseop was born in Seongnam City, Gyeonggi Province, South Korea.
– He officially joined U-KISS in 2009 and was included in the promotions of the song “Man Man Ha Ni.”
– He faced repeated rejections from many entertainment companies and struggled deeply, and even attempted to take his own life, but his mother helped him recover, and he was later accepted into U-KISS.
– He was in U-KISS’s “Not Young” music video before debut.
– He was a well-known ulzzang before debuting.
– He practiced Taekwondo when he was younger.
– In September 2017, he got second degree burns and got injured with several fragments in his body after a prop exploded during the shoot of the MV “Fly”. A year later, he said that he has no memory of what happened immediately after the explosion as he had lit a firecracker in a container which caused an explosion. Due to the trauma of the incident and the loud noise, he was unable to drive for a long time.
– He opened a restaurant called ‘으악생’ along with Seo Yuan (K) (ex. TST).
– He really likes grapes.
– He has Obsessive Compulsive Disorder.
– He graduated from Yatap High School and later attended Digital Seoul Culture & Arts University (Bachelor’s degree in Applied Music).
– His hobbies include driving, fashion and exercise.
– His specialties include piano, taekwondo and popping dance.
– He made a guest appearance on the show “Kpop – The Ultimate Audition” along with Soohyun, Kevin, and Eli.
– He launched his own clothing line in collaboration with RDVZ (Rendezvous).
– His family consists of his parents and one older sister.
– He studied at Yatab High School and got popular as the school’s “Yatab Ulzzang.”
– His favorite color is black.
– He has a fear of heights and insects.
– He dislikes drinking alcohol.
– He met and became friends with his now wife, Jung Yu-na, when she was a trainee under U-KISS’s company and also appeared in the group’s Japanese MV “Distance”.
– He can play the piano.
– He enlisted on March 21, 2019 as a public service worker and completed his service in January 2021.
– On May 16, 2019, it was announced that his contract had ended and he departed both his agency and U-KISS. He later signed with Tango Music in January 2022.
– He married rookie actress and model Jung Yuna on August 24, 2019.
– Kiseop’s ideal type is someone cute and petite so he can hold her easily; he also prefers intelligent girls. He doesn’t mind how others view her looks, if he finds her beautiful, that’s what matters to him.

SOCIAL MEDIA HANDLES
Instagram: @ki_seop91
X (Twitter): @KiSSeop91
YouTube: KISHOWBANG

2. Hoon

Stage NameHoon (훈)
Birth NameYeo Hoon Min (여훈민)
PositionN/A
BirthdayAugust 16th, 1991
Active Years2009-present
Age34 (in 2025)
Zodiac SignLeo
Height181 cm (5’11″)
Weight67 kg (147 lbs)
NationalityKorean
Blood TypeB
MBTIN/A

Hoon Facts:

– Hoon is the Main Vocalist and Maknae in U-Kiss.
– He was born in Namyangju, Gyeonggi-do, South Korea.
– He went to Changhyeon Elementary School and Maseok Middle School.
– He graduated from Pyeongnae High School and later attended Dongguk University where he majored in Theater and Film.
– His religion is Protestantism.
– His family consists of his parents and older brother named Hoonbi.
– His mother works as a company president.
– His hobbies include guitar, piano and working out.
– He used to be a Taekwondo athlete and entered high school as a taekwondo student but had to drop out after an injury.
– He was classmates with SNSD’s Seohyun in university and was invited to her musical “The Moon Embracing the Sun.”
– He met his now wife in 2014 through the musical “Princess Hours” and dated for eight years before getting married.
– He married Hwang Jiseon, formerly of Girls’ Day and S#afla in June 2022 and their son, Yeo Hae-gang, was born on January 2, 2024.
– He enlisted on March 18, 2019 in the Marine Corps, and was discharged in October 2020.
– He got signed under Tango Music in January 2022.
– During his trainee days, he fell victim to several debut-related scams.
– He released a solo debut in 2009 under his full name, Yeo Hoon Min, prior to joining U-KISS.
– He became a U-KISS member in 2011 after Alexander and Kibum left the group.
– He was an athlete during his middle school years.
– His training period was five months.
– While training, he ended a relationship even though he still cared deeply for his girlfriend.
– According to Soohyun, he is the member who listens the best.
– Hoon’s ideal type is a woman who is short and curvy.
– Dongho, Kiseop, Soohyun, and Hoon made a cameo as “Wonder Boys” in the 2011 film Mr. Idol.
– He appeared on the shows Athena: Goddess of War (cameo, 2010), Beautiful Man (2013), Sweet Home, Sweet Honey (2015), and Unknown Woman (2017).
– Before debut, he appeared on KBS2’s “High Five” when the program visited his high school.
– On January 16, 2017, he debuted solo in Japan with the EP “Yukisakura.”

SOCIAL MEDIA HANDLES
Instagram: @yhm1991
X (Twitter): @HooN91y | @YHM_1991
Youtube: YEO HOON 여훈

3. Kevin

Stage NameKevin (케빈)
English NameKevin Woo
Korean NameWoo Sung Hyun (우성현)
PositionN/A
BirthdayNovember 25th, 1991
Active Years2008-present
Age34 (in 2025)
Zodiac SignSagittarius
Height180 cm (5’11”)
Weight55 kg (121 lbs)
NationalityKorean-American
Blood TypeN/A
MBTIESFP

Kevin Facts:

– Kevin was the Main Vocalist, Lead Dancer, Face of the Group in U-Kiss.
– He was previously a member of the group XING that debuted in 2006.
– He was born in Danville, California, USA but was raised in Los Angeles and San Francisco.
– He went to Tasaharra Elementary School and Golden View Middle School.
– He attended Monte Vista High School.
– After coming to Korea, he attended Kyungdong High School and Korea Kent Foreign School.
– His hobbies include listening to music, watching movies, reading and composing music.
– He knows how to play both the guitar and piano.
– In 2015, he appeared in the web drama “About Love: Milky Love.”
– He trained for four years before debuting.
– His specialties include playing the piano and guitar, speaking English and performing popping dance.
– He provided the singing vocals of Saja Boys’ Mystery Saja in Kpop Demon Hunters.
– He loves mint chocolate.
– His favorite anime is “Your Name”.
– He once auditioned for JYP Entertainment.
– He later signed with Japan Music Entertainment on July 22, 2018 and in October 2018, he also joined Coridel Entertainment in Korea.
– He has signed with FC ENM since 2021.
– When he first learned Korean, he often spoke in informal language by accident, which caused some misunderstandings with older members.
– His family consists of his parents and older sister named Deanna Woo.
– His fandom name is KLOVER.
– He enjoys food a lot, and loves to eat tteokbokki.
– He is Christian.
– He appeared on “Kpop – The Ultimate Audition” along with Kiseop, Soohyun, and Eli.
– Dongho, Kiseop, Soohyun, and Hoon appeared as “Wonder Boys” in the 2011 movie Mr. Idol.
– In U-kiss, he is fluent in English, along with Eli, AJ, and former member Alexander.
– On October 8, 2018, Kevin released his first Japanese solo single called “Ride Along.”
– On March 2, 2017, he left U-KISS after his contract with NH Media expired.
– He served as an MC on After School Club (ASC) together with Eric Nam, former DAY6 member Jae, and 15&’s Jimin. He stepped down in April 2018 to focus on his music career.
– Kevin’s ideal type is someone who is honest, listens well, and is pure and gentle in personality.

WEBSITE
Website: kevinwooofficial.com | kevinfc.jp

SOCIAL MEDIA HANDLES
Instagram: @kevinwoo_official
X (Twitter): @Kevinwoo91
YouTube: Kevin Woo



Note: Which UX1 member caught your eye first? Let us know in the comments down below! 

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WRITTEN BY

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! ^^

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