BOYNEXTDOOR
KOZ Entertainment
About BOYNEXTDOOR
“Who’s There? BOYNEXTDOOR!
Hello, this is BOYNEXTDOOR!”
Hello, this is BOYNEXTDOOR!”
BOYNEXTDOOR is a K-pop boy band made up of six members – SUNGHO, RIWOO, JAEHYUN, TAESAN, LEEHAN and WOONHAK. The band debuted on May 30, 2023 under KOZ Entertainment.
BOYNEXTDOOR Profile
| Group | 보이넥스트도어 BOYNEXTDOOR |
|---|---|
| AKA | BND |
| Fandom | 원도어 | ONEDOOR |
| Debut | May 30, 2023 +981 Days Since Debut |
| Debut Album | WHO! |
| Latest Release | IF I SAY, I LOVE YOU |
| Leader | JAEHYUN |
| Lightstick |  ONEDOOR STICK |
| Pre-Show Chant | “Knock Knock, Who’s Here? BOYNEXTDOOR!” |
| Years Active | 2023 – present |
| Label | KOZ Entertainment |
| Distributor | YG PLUS |
| Official Page |  @boynextdoor_official @boynextdoor_official @BOYNEXTDOOR_KOZ @BOYNEXTDOOR_twt @BOYNEXTDOOR |
BOYNEXTDOOR Members
BOYNEXTDOOR
Age (from oldest to youngest)
| # | Member | Age |
|---|---|---|
| 1 | SUNGHO | 22 |
| 2 | RIWOO | 22 |
| 3 | JAEHYUN | 22 |
| 4 | TAESAN | 21 |
| 5 | LEEHAN | 21 |
| 6 | WOONHAK | 19 |
Height (from tallest to shortest)
| # | Member | Height |
|---|---|---|
| 1 | TAESAN | 183cm |
| 2 | WOONHAK | 181cm |
| 3 | LEEHAN | |
| 4 | JAEHYUN | 176.5cm |
| 5 | SUNGHO | 174cm |
| 6 | RIWOO |
Citizenship
| # | Member | Citizenship |
|---|---|---|
| 1 | SUNGHO | Republic of Korea |
| 2 | RIWOO | Republic of Korea |
| 3 | JAEHYUN | Republic of Korea |
| 4 | TAESAN | Republic of Korea |
| 5 | LEEHAN | Republic of Korea |
| 6 | WOONHAK | Republic of Korea |
Blood Type
| # | Member | Blood Type |
|---|---|---|
| 1 | SUNGHO | A |
| 2 | RIWOO | A |
| 3 | JAEHYUN | A |
| 4 | TAESAN | A |
| 5 | WOONHAK | A |
| 6 | LEEHAN | O |
Zodiac Sign
| # | Member | Zodiac Sign |
|---|---|---|
| 1 | TAESAN | Leo |
| 2 | SUNGHO | Virgo |
| 3 | LEEHAN | Libra |
| 4 | RIWOO | Libra |
| 5 | WOONHAK | Sagittarius |
| 6 | JAEHYUN | Sagittarius |
Joining KOZ Entertainment (from first to last)
| # | Member | Joining KOZ |
|---|---|---|
| 1 | SUNGHO | 2019 |
| 2 | RIWOO | 2019 |
| 3 | TAESAN | |
| 4 | WOONHAK | |
| 5 | LEEHAN | |
| 6 | JAEHYUN | 2022 |
Training Period (from longest to shortest)
| # | Member | Training Period |
|---|---|---|
| 1 | TAESAN | 6 years |
| SUNGHO | 3 years and 9 months | |
| RIWOO | 3 years and 8 months | |
| JAEHYUN | ||
| WOONHAK | 3 years | |
| LEEHAN |
BOYNEXTDOOR Members Profile & Facts
SUNGHO
KOZ Entertainment
| Name | 성호 | SUNGHO |
|---|---|
| Full Name | 박성호 | 朴成淏 | Park Sungho |
| Date of Birth | September 4, 2003 |
| Place of Birth | Wonju, Gangwon-do, South Korea |
| Citizenship | Republic of Korea |
| Height | 174cm | 5′-09″ |
| Blood Type | A |
| Zodiac Sign | Virgo |
| Family | Mother, Father, Older Brother |
SUNGHO Facts
| His name means “accomplish big things and make the world pure.” |
| KOZ Audition Song: Maroon 5 – Sunday Morning |
| He had SMILE LASIK eye surgery in December 2023. |
RIWOO
KOZ Entertainment
| Name | 리우 | RIWOO |
|---|---|
| Full Name | 이상혁 | Lee Sanghyuk |
| Date of Birth | October 22, 2003 |
| Hometown | Seoul, South Korea |
| Citizenship | Republic of Korea |
| Blood Type | A |
| Zodiac Sign | Libra |
| Family | Mother, Father, Older Brother, Younger Brother |
| Education | Hanlim Arts School |
RIWOO Facts
| He graduated from Hanlim Arts School (Department of Practical Dance) in 2022. |
| His childhood dream was to become a baseball player. |
JAEHYUN
KOZ Entertainment
| Name | 재현 | JAEHYUN |
|---|---|
| Full Name | 명재현 | Myeong Jaehyun |
| Date of Birth | December 4, 2003 |
| Hometown | Seoul, South Korea |
| Citizenship | Republic of Korea |
| Height | 176.5cm | 5′-10″ |
| Blood Type | A |
| Zodiac Sign | Sagittarius |
| Family | Mother, Father, Older Brother |
| Education | Sungnam High School |
| Position | Leader |
JAEHYUN Facts
| JAEHYUN is a former YG Entertainment trainee. |
| He grabbed a microphone and money for doljabi on his first birthday. |
| He attended the all-boys middle and high school. |
TAESAN
KOZ Entertainment
| Name | 태산 | TAESAN |
|---|---|
| Full Name | 한동민 | Han Dongmin |
| Date of Birth | August 10, 2004 |
| Hometown | Gwangju, South Korea |
| Citizenship | Republic of Korea |
| Height | 183cm | 6′-00″ |
| Blood Type | A |
| Zodiac Sign | Leo |
| Family | Mother, Father, Younger Brother, Younger Sister |
| Education | Chungdam High School |
TAESAN Facts
| Nickname: Giant (Tae) Mountain (San) |
| He is a former SOURCE MUSIC trainee. |
LEEHAN
KOZ Entertainment
| Name | 이한 | LEEHAN |
|---|---|
| Full Name | 김동현 | Kim Donghyun |
| Date of Birth | October 20, 2004 |
| Place of Birth | Busan, South Korea |
| Hometown | Busan, South Korea |
| Citizenship | Republic of Korea |
| Blood Type | O |
| Zodiac Sign | Libra |
| Family | Mother, Father, Older Sister |
LEEHAN Facts
| He was born and raised in Busan. |
| He likes to see his pet fish swim around. |
WOONHAK
KOZ Entertainment
| Name | 운학 | WOONHAK |
|---|---|
| Full Name | 김운학 | 金雲鶴 | Kim Woonhak |
| Date of Birth | November 29, 2006 |
| Place of Birth | Busan, South Korea |
| Hometown | Suwon, Gyeonggi-do, South Korea |
| Citizenship | Republic of Korea |
| Height | 181cm | 5′-11″ |
| Blood Type | A |
| Zodiac Sign | Sagittarius |
| Family | Mother, Father, Younger Sister |
| Education | Hanlim Arts School |
WOONHAK Facts
| His grandfather named him Woonhak. |
| He was born in Busan, but was raised in Suwon. |
| He graduated from Hanlim Arts School (Department of Applied Music) in 2025. |
BOYNEXTDOOR Discography
| Year | Type | Album Title | Title Track |
|---|---|---|---|
| 2025 | Digital Single | IF I SAY, I LOVE YOU | IF I SAY, I LOVE YOU lyrics |
| 2024 | 3rd EP | 19.99 | Nice Guy lyrics |
| 2nd EP | HOW? | Earth, Wind & Fire lyrics | |
| 2023 | 1st EP | WHY.. | But Sometimes lyrics |
| Single | WHO! | But I Like You lyrics | |
| One and Only lyrics | |||
| Serenade lyrics |
Music Show Wins
BOYNEXTDOOR Fandom
| Fandom Name | 원도어 | ONEDOOR |
|---|---|
| Meaning | The fans of BOYNEXTDOOR are the only ONEDOOR that can connect BOYNEXTDOOR to the world. With ONEDOOR, BOYNEXTDOOR will open the door to the bigger world and move forward towards a shared dream and visions for the future. |
| Announced | November 1, 2023 |
| ONEDOOR Day | November 1 |
BOYNEXTDOOR Facts
| BOYNEXTDOOR became the first boy band to debut under KOZ Entertainment. |
Dormmates / Roommates
| Room #1 | Room #2 | |
|---|---|---|
| Unit #1 | SUNGHO • JAEHYUN | LEEHAN |
| Unit #2 | TAESAN • WOONHAK | RIWOO |
Recommended
Category: KOZ Entertainment Artists
I think it’s a pretty great group
They are the cutest kids . You’ll love being one of their fan, trust me