1TEAM – the South Korean K-pop boy group that gave fans two years of pure energy, catchy hooks, and undeniable charisma – may have a short run on the books, but their legacy absolutely lives on. If you’re a fan of K-pop idol groups, Korean boy bands, or just discovering the world of Hallyu music, then you’ve come to the right place.
In this guide, we’re breaking down everything about 1TEAM (원팀) – from the band’s basic information and member profiles to their discography, music videos, and live concert history. Whether you’re a longtime TEAM ONE (their fandom name) or a curious newcomer, get ready to fall in love with these five talented guys all over again.
Let’s get into it!
Band Information
Here’s a quick snapshot of everything you need to know about 1TEAM:
- Group Name: 1TEAM (원팀)
- Korean Pronunciation: “One Team”
- Name Meaning: “Unique individuals become new as one”
- Origin: Seoul, South Korea
- Genre: K-pop, Hip-hop, R&B
- Label: Liveworks Company (라이브웍스컴퍼니)
- Distributor: Kakao Entertainment
- Debut Date: March 27, 2019
- Debut Album: HELLO!
- Debut Song: “Vibe (습관적 Vibe)”
- Pre-debut Group Name: TEAM LWZ
- Number of Members: 5
- Leader: RUBIN
- Fandom Name: TEAM ONE (팀원)
- Official Channels: @official_1team (Instagram) | @1TEAMofficial (YouTube) | @1team_official (Twitter/X)
- Status: Disbanded
- Disbandment Date: March 14, 2021
- Years Active: 2019–2021
- Notable Milestone: First boy band to debut under Liveworks Company
- Total Physical Sales: 17,221+ units
- Total YouTube Views: 15.4 million+ across official channels
Quick Fun Fact: 1TEAM was originally planned to debut under YG Entertainment, but due to internal disagreements, the plans were scrapped. Liveworks Company then stepped in and gave us the 1TEAM we know and love. Talk about a plot twist!
The 1TEAM Member Profiles
1TEAM is made up of five incredibly talented members, each bringing something unique to the group. Here’s a full breakdown of the 1TEAM member profiles:
Members are listed from oldest to youngest – a common format in K-pop idol group profiles.
| # | Stage Name | Full Name | Birthday | Age (2026) | Height | Blood Type | Position |
|---|---|---|---|---|---|---|---|
| 1 | BC | Chin Sung-ho (진성호) / Bryn Chin | July 18, 1994 | 31 | 174 cm / 5’9″ | O | Rapper, Vocalist |
| 2 | RUBIN | Lee Ru-bin (이루빈) | August 16, 1995 | 30 | 179 cm / 5’10” | AB | Leader, Lead Vocalist |
| 3 | JINWOO | Lee Jin-woo (이진우) | February 20, 1998 | 28 | 171 cm / 5’7″ | A | Main Vocalist |
| 4 | JEHYUN | Moon Je-hyun (문제현) | April 20, 1999 | 27 | 173 cm / 5’8″ | O | Main Dancer, Vocalist |
| 5 | JUNGHOON | Lee Jung-hoon (이정훈) | June 4, 2000 | 25 | – | B | Rapper |
BC (비씨)
BC is the oldest member of 1TEAM and one of its most experienced performers. Born in Texas, USA, he brings a unique Korean-American identity to the group. His full Korean name is Chin Sung-ho (진성호), and his English name is Bryn Chin.
BC
| Detail | Info |
|---|---|
| Stage Name | BC (비씨) |
| Full Name | Chin Sung-ho / Bryn Chin |
| Date of Birth | July 18, 1994 |
| Place of Birth | Texas, USA |
| Height | 174 cm / 5’9″ |
| Blood Type | O |
| Zodiac Sign | Cancer ♋ |
| Position | Rapper, Vocalist |
| Nationality | Korean-American |
BC was born in Texas, USA, making him the only member with a direct American birthplace.
He is a former trainee at Brave Entertainment (the label behind Brave Girls).
BC was a former member of I-REX, a K-pop boy group that disbanded before he joined 1TEAM.
He participated in the survival show BOYS24 and was a pre-debut member of the group of the same name.
BC also competed on MIXNINE, YG Entertainment’s idol survival show, but was eliminated during the competition.
His father is a professor at Chonnam National University in South Korea.
His zodiac sign is Cancer, known for being loyal and emotional – traits that shine in his stage presence.
BC’s blood type is O, which in Korean pop culture is associated with being bold and social.
After 1TEAM disbanded, the circumstances of his activities remained largely private for a period.
BC had one of the most diverse pre-debut histories in the group, appearing on multiple K-pop survival shows before finding his home in 1TEAM.
RUBIN (루빈)
RUBIN is the leader of 1TEAM and one of the group’s most recognizable faces. He’s known for his powerful vocals, strong stage presence, and his incredible journey to debut. After 1TEAM’s disbandment, he pursued an unexpected but equally creative path.
RUBIN
| Detail | Info |
|---|---|
| Stage Name | RUBIN (루빈) |
| Full Name | Lee Ru-bin (이루빈) |
| Birth Name | Lee Hae-jun (이해준) |
| Date of Birth | August 16, 1995 |
| Hometown | South Korea |
| Height | 179 cm / 5’10” |
| Blood Type | AB |
| Zodiac Sign | Leo ♌ |
| Position | Leader, Lead Vocalist |
| Education | Daejeon Hanvit High School |
RUBIN legally changed his name from Lee Hae-jun to Lee Ru-bin – talk about committing to your stage identity!
He served as the leader of 1TEAM, guiding the group through their entire active career.
Like BC, RUBIN also participated in the survival show BOYS24 before 1TEAM’s debut.
He competed on MIXNINE and ranked in the top 9, which would have guaranteed him a debut – but the whole project was unfortunately canceled.
RUBIN is a former trainee at Woollim Entertainment, home of groups like Infinite and Golden Child.
His blood type is AB, which in K-pop fan culture is associated with creativity and uniqueness.
His zodiac sign is Leo, perfectly matching his natural leadership energy on stage.
After 1TEAM’s disbandment, RUBIN pivoted to the tattoo industry, going by the artist name Colin Tattoo (@tattooer_colin).
He released a solo music debut single titled “Foolproof” on December 11, 2024 – proving he never left the creative world entirely.
RUBIN attended Daejeon Hanvit High School, a detail that many fans treasure as part of his personal story.
JINWOO (진우)
JINWOO is 1TEAM’s Main Vocalist – the member whose voice carries the most emotional weight in the group’s songs. He’s gentle, talented, and deeply inspired by faith and music.
JINWOO
| Detail | Info |
|---|---|
| Stage Name | JINWOO (진우) |
| Full Name | Lee Jin-woo (이진우) |
| Date of Birth | February 20, 1998 |
| Hometown | South Korea |
| Height | 171 cm / 5’7″ |
| Blood Type | A |
| Zodiac Sign | Pisces ♓ |
| Position | Main Vocalist |
| Religion | Christianity |
| Family | Mother, Father, Older Sister |
JINWOO is 1TEAM’s Main Vocalist, responsible for the most technically demanding vocal parts in their songs.
He is a devout Christian, and his faith has been a guiding force in his personal and artistic life.
His biggest musical inspiration is Jung Dong-ha, a celebrated Korean rock vocalist known for his powerful voice.
JINWOO’s zodiac sign is Pisces, a sign associated with deep sensitivity and artistic talent – both of which define his singing style.
He has a warm family unit with a mother, father, and an older sister.
His blood type is A, linked in Korean culture with being meticulous, careful, and artistic.
After 1TEAM’s disbandment, JINWOO (under the stage name Xen) joined the 11-member K-pop boy group OMEGA X, debuting with them on June 30, 2021.
He changed his stage name to Xen within OMEGA X to avoid confusion with another member whose real name is also Jinwoo.
JINWOO’s vocal tone was widely praised by fans as one of the most distinctive and emotionally resonant in 1TEAM’s lineup.
He was officially revealed as a member of OMEGA X on March 26, 2021, just two weeks after 1TEAM’s disbandment announcement.
JEHYUN (제현)
JEHYUN is 1TEAM’s Main Dancer – the member who brings the group’s choreography to life with precision and passion. His smooth, fluid dance style made him a fan favorite from the very beginning.
JEHYUN
| Detail | Info |
|---|---|
| Stage Name | JEHYUN (제현) |
| Full Name | Moon Je-hyun (문제현) |
| Date of Birth | April 20, 1999 |
| Hometown | South Korea |
| Height | 173 cm / 5’8″ |
| Blood Type | O |
| Zodiac Sign | Taurus ♉ |
| Position | Main Dancer, Vocalist |
| Family | Mother, Father |
| Favorite Color | Blue 💙 |
JEHYUN is 1TEAM’s Main Dancer, handling the group’s most technically challenging dance moves.
His idol inspiration is RAIN (Jung Ji-hoon), one of Korea’s most iconic singer-dancer entertainers – a fitting role model for a Main Dancer.
His favorite color is blue, which explains a lot about his cool, calm performance energy.
JEHYUN’s zodiac sign is Taurus, associated with determination, reliability, and a love for beauty – all qualities visible in his dance performances.
His blood type is O, typically linked in Korean culture with being passionate and confident.
After 1TEAM’s disbandment, JEHYUN joined OMEGA X alongside his groupmate JINWOO, debuting on June 30, 2021.
Within OMEGA X, he continues using the stage name Jehyun, keeping his 1TEAM identity alive.
He lives with his mother and father, having shared glimpses of his family life with fans over the years.
Fans have praised JEHYUN’s dance synchronization as one of the most impressive things about 1TEAM’s choreography.
JEHYUN’s debut anniversary with 1TEAM (March 27, 2019) remains a cherished date for TEAM ONE fans worldwide.
JUNGHOON (정훈)
JUNGHOON is 1TEAM’s youngest member – the maknae – and one of the group’s two rappers. Don’t let his age fool you though; his rap skills are sharp, confident, and full of attitude.
JUNGHOON
| Detail | Info |
|---|---|
| Stage Name | JUNGHOON (정훈) |
| Full Name | Lee Jung-hoon (이정훈) |
| Date of Birth | June 4, 2000 |
| Hometown | South Korea |
| Blood Type | B |
| Zodiac Sign | Gemini ♊ |
| Position | Rapper |
| Role in Group | Maknae (youngest member) |
JUNGHOON is 1TEAM’s maknae (youngest member), a beloved role in K-pop group dynamics.
He first got into rapping in his first year of high school – proving that passion for music can spark at any age.
His zodiac sign is Gemini, known for versatility, wit, and charm – all hallmarks of a great rapper.
JUNGHOON’s blood type is B, associated in Korean pop culture with being free-spirited, artistic, and unpredictable.
He is one of 1TEAM’s two rappers alongside BC, giving the group a dynamic dual-rap structure in their tracks.
Despite being the youngest, JUNGHOON held his own vocally and rap-performance-wise on every 1TEAM release.
His birthday on June 4, 2000 makes him a Gen Z K-pop idol – the youngest generation to debut under Liveworks Company.
After 1TEAM’s disbandment, JUNGHOON retired from the entertainment industry and began working as a fitness trainer, channeling his discipline into health and wellness.
Fans of 1TEAM often highlight JUNGHOON’s energy on stage as one of the group’s most electric performance elements.
As the maknae, JUNGHOON was often the center of playful fan discussions – a treasured dynamic that made TEAM ONE feel like family.
Achievements
1TEAM had a relatively short active career, but they made every moment count. Here’s a look at what they accomplished during their time together:
Debut Milestone: 1TEAM made history as the first boy band to debut under Liveworks Company on March 27, 2019 – a milestone that will always be part of their legacy.
Chart Performance:
| Album | Chart Position (Gaon/Circle) | Physical Sales |
|---|---|---|
| Hello! (1st Mini Album) | #23 | ~4,343 units |
| Just (2nd Mini Album) | #21 | ~4,953 units |
| One (3rd Mini Album) | #17 (best charting) | ~5,647 units |
| Total | – | 17,221+ units |
Digital & Streaming:
- Accumulated over 15.4 million YouTube views across their official channels
- Released a total of 3 mini albums and 1 digital single project
- Their music was distributed through Kakao Entertainment, one of South Korea’s top entertainment distributors
Concert History:
- Held their first solo concert “Hello! Just One” in 2020
- Were scheduled for a US tour before COVID-19 forced cancellations – showing their international appeal
Post-Disbandment Impact:
- Members JINWOO and JEHYUN went on to join OMEGA X, proving the talent 1TEAM fostered was industry-caliber
- RUBIN successfully transitioned into a dual career as a recording artist and tattoo artist, releasing “Foolproof” in late 2024
While 1TEAM may not have racked up major music show wins, their loyal TEAM ONE fandom, growing physical sales trajectory, and the post-group success of their members speak volumes about the group’s genuine impact on the K-pop landscape.
Discography and Music Videos
1TEAM released music that ranged from high-energy K-pop bops to soulful R&B-influenced tracks. Here’s their complete discography:
Mini Albums
| Year | Album Title | Type | Title Track | Chart Position |
|---|---|---|---|---|
| 2019 | HELLO! | 1st Mini Album | “Vibe (습관적 Vibe)” | #23 |
| 2019 | JUST | 2nd Mini Album | “Rolling Rolling (롤링롤링)” | #21 |
| 2019 | ONE | 3rd Mini Album | “Make This” | #17 |
Digital Singles
| Year | Single Title | Type | Notes |
|---|---|---|---|
| 2020 | “Ullaeli Kkollaeli (얼레리꼴레리)” | Digital Single Project | Final release before disbandment |
Music Video Highlights
“Vibe (습관적 Vibe)” – The debut music video that introduced the world to 1TEAM’s charismatic visuals and smooth R&B-pop sound. A must-watch for any new fan.
“Rolling Rolling (롤링롤링)” – The bright and addictive title track from their 2nd mini album JUST. This track showed off the group’s fun, energetic side and became a fan favorite.
“Make This” – From their best-charting album ONE, this track showcased the members’ vocal growth and more polished production.
“Ullaeli Kkollaeli (얼레리꼴레리)” – Their final release, packed with playful energy and bittersweet charm. For many fans, this song holds a special place as 1TEAM’s last gift to TEAM ONE.
Did You Know? All of 1TEAM’s music videos are still available on their official YouTube channel @1TEAMofficial, which remains active as a tribute to their musical journey. Go check them out – you won’t regret it!
Live Performances and World Tours in 2026
1TEAM had an exciting live performance history during their active years – and even had international ambitions that, unfortunately, were cut short by global circumstances.
Concert & Tour History
| Year | Event | Location | Status | Notes |
|---|---|---|---|---|
| 2020 | “Hello! Just One” Solo Concert | South Korea | ✅ Completed | 1TEAM’s first solo concert |
| 2020 | US Tour (Multiple States) | United States | ❌ Canceled | Canceled due to COVID-19; tickets later fully refunded |
| 2021 | Final Group Activities | South Korea | ✅ Completed | Concluded March 14, 2021 |
2026 Tour Status
| Status | Details |
|---|---|
| Active Tours | None – 1TEAM officially disbanded on March 14, 2021 |
| Scheduled 2026 Shows | No scheduled performances as a group |
| Member Activity (2026) | JINWOO (Xen) and JEHYUN are active in OMEGA X; RUBIN pursues music & tattoo art as Colin Tattoo |
A Note for Fans: While 1TEAM as a group is no longer active, the spirit of TEAM ONE lives on. Members JINWOO and JEHYUN continue performing in OMEGA X, and RUBIN dropped a solo single in late 2024. If you want to support your favorite 1TEAM members, following their current projects is the best way to keep that love going strong!
Final Thoughts
1TEAM (원팀) gave the K-pop world something special in their two-year run – five unique personalities, genuine chemistry, and music that ranged from high-octane hip-hop beats to smooth R&B melodies. Their trajectory of improving chart positions (from #23 down to #17) shows a group that was growing, evolving, and finding its footing.
The fact that fans still search for the 1TEAM member profiles, revisit their music videos, and follow their members’ solo journeys years after disbandment is a testament to the kind of connection this South Korean boy band built with TEAM ONE.
Whether you discovered them yesterday or cried when they disbanded back in 2021 – welcome to the 1TEAM fandom. The memories don’t expire.
Just one! 💜