UX1 is a fourth subunit of the boy group U-KISS. The members are Kevin, Hoon and Kiseop. Their debut is unknown.
UX1 Profile
| Debut | N/A |
| Active Years | 2025-present |
| UX1 Members | Kevin, Hoon, Kiseop |
| Genre | N/A |
| Status | Pre-debut |
| Label | N/A |
| Oldest Member | Kiseop |
| Youngest Member | Kevin |
| Former Member | N/A |
| Fandom Name | N/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 Name | Kiseop (기섭) |
| Birth Name | Lee Ki Seop (이기섭) |
| Position | Vocalist, Visual |
| Birthday | January 17th, 1991 |
| Active Years | 2008-present |
| Age | 34 (in 2025) |
| Zodiac Sign | Capricorn |
| Height | 181 cm (5’11”) |
| Weight | 64 kg (141 lbs) |
| Nationality | Korean |
| Blood Type | N/A |
| MBTI | N/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 Name | Hoon (훈) |
| Birth Name | Yeo Hoon Min (여훈민) |
| Position | N/A |
| Birthday | August 16th, 1991 |
| Active Years | 2009-present |
| Age | 34 (in 2025) |
| Zodiac Sign | Leo |
| Height | 181 cm (5’11″) |
| Weight | 67 kg (147 lbs) |
| Nationality | Korean |
| Blood Type | B |
| MBTI | N/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 Name | Kevin (케빈) |
| English Name | Kevin Woo |
| Korean Name | Woo Sung Hyun (우성현) |
| Position | N/A |
| Birthday | November 25th, 1991 |
| Active Years | 2008-present |
| Age | 34 (in 2025) |
| Zodiac Sign | Sagittarius |
| Height | 180 cm (5’11”) |
| Weight | 55 kg (121 lbs) |
| Nationality | Korean-American |
| Blood Type | N/A |
| MBTI | ESFP |
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
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