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Who’s there? The BOYNEXTDOOR! Hello, we're BOYNEXTDOOR!
(Who’s there? The BOYNEXTDOOR! 안녕하세요, 보이넥스트도어입니다!)


BOYNEXTDOOR (보이넥스트도어) is a six-member boy group under KOZ Entertainment. They made their debut on May 30, 2023 with their single album “Who!”.

The group name "BOYNEXTDOOR" means they will approach casually and comfortably, just like the meaning of "boys next door". The group would like to express everyday stories that their peers can relate to in honest music to build consensus with listeners.[2]



On January 3, 2022, KOZ announced that they were holding auditions for their new boy group on HYBE Label's YouTube channel.[3]

On June 15, 2022, KOZ launched a teen rapper audition called 'KOZ Teen Rapper Audition: U18 in the Zungle' in hopes of discovering members of their upcoming boy group. It was also revealed the group would be making their debut in 2023.[4]

On August 4, 2022, Zico guested on SBS Power FM's Two O'Clock Escape Cultwo Show and revealed that the agency's upcoming boy group would not be hip-hop as they want to create a group that isn't limited to a specific genre.[5]

On February 28, 2023, news outlet SPOTV News reported that the group would be making their debut in May. KOZ Entertainment announced that the exact date is yet to be confirmed although they are expected to debut in the first half of the year.[6]

2023: Debut with "Who!", Why..[]

On April 3, KOZ Entertainment started a 56-day countdown through their official website.[7][8] On April 4, KOZ confirmed that their new boy group would be preparing to debut on May 30, 2023.[9]

On April 17, the group's logo motion was released through the HYBE Labels YouTube channel, revealing that its name would be BOYNEXTDOOR.[10] On the same day, the group's social networks were opened.[11] Hours later it was confirmed that the group would have six members.[2] On May 1, KOZ Entertainment started the countdown for the group's debut.[12]

On May 3, it was announced that the group would debut with their first single album titled "Who!".[13] On May 5, the names of the six members of the group were revealed through their social networks.[14]

On July 13, KOZ Entertainment confirmed that BOYNEXTDOOR is preparing for their first-ever comeback, aiming for a September release.[15] On August 7, it was announced that they will be releasing their first EP titled Why.. on September 4.[16]

2024: How?, "And,", Leehan's hiatus[]

On February 13, 2024, KOZ Entertainment announced that the group is in the final stage of preparations for an April comeback.[17] On March 18, the group released a trailer for their second EP How? which will be released on April 15.[18]

On May 6, the group announced their plans to make their Japanese debut with their first single, "And,", set for release on July 10.[19] "Earth, Wind & Fire (Japanese Ver.)" was pre-released on June 20.[20]

On July 16, KOZ Entertainment released a statement which revealed that group member Leehan had recently developed skin inflammation, and would temporarily halt all group and individual activities to receive sufficient rest and treatment.[21]


Name Position(s)[22] Emojis Colors Year(s) active
Sungho (성호) Main Vocalist
     Red 2023–present
Riwoo (리우) Main Dancer, Vocalist
     Cyan 2023–present
Jaehyun (명재현)[n 1] Leader, Main Rapper, Vocalist
     Orange 2023–present
Taesan (태산) Vocalist, Rapper, Visual
     Blue 2023–present
Woonhak (운학) Vocalist, Maknae
     Green 2023–present
Leehan (이한) Vocalist, Visual
     Yellow 2023–present




Single albums[]


  • "Fadeaway (From "Garbage Time")" (2023)
  • "Miss Night and Day OST Part.3" ("Lucky Charm") (2024)



Digital singles[]


Concert participations[]



Variety shows[]

  • NPOP (Naver NOW, 2023) - guest (ep. 3, 4)


Main article: BOYNEXTDOOR/Gallery


  1. His stage name in Korean is his full name Myung Jaehyun (명재현), meanwhile in English is simply Jaehyun.


  1. Soompi: BOYNEXTDOOR Announces Official Fandom Name
  2. 2.0 2.1 (KR) SportsWorld: ‘KOZ 신인’ 팀명은 보이넥스트도어…출격 준비 완료
  3. HYBE LABELS on YouTube: (KOZ) 2022 BOY GROUP Global Online Audition
  4. Allkpop: KOZ Entertainment launches teen rapper auditions to discover members of Zico's first hand-produced boy group
  5. KpopStarz: Zico's Agency to Debut New Boy Group That Isn't Limited to Any Genre in 2023
  6. Soompi: Zico’s New Boy Group Confirmed To Debut In First Half Of This Year
  7. WayBack Machine: KOZ NEW BOY GROUP
  8. KOZ on Twitter: "𝗞𝗻𝗼𝗰𝗸 𝗞𝗻𝗼𝗰𝗸, 𝗪𝗵𝗼'𝘀 𝗧𝗵𝗲𝗿𝗲? 🔊 𝗧𝘂𝗿𝗻 𝗼𝗻 𝘁𝗵𝗲 𝗮𝘂𝗱𝗶𝗼 𝗮𝗻𝗱... 🏠 𝗦𝗲𝗲 𝘆𝗼𝘂 𝗶𝗻 𝘁𝘄𝗼 𝘄𝗲𝗲𝗸𝘀!" (March 25, 2022)
  9. Soompi: Zico’s Agency Announces New Boy Group’s Debut Date"
  10. YouTube: BOYNEXTDOOR Official Logo Motion
  11. Soompi: Watch: Zico’s New Boy Group BOYNEXTDOOR Launches Social Media Accounts + Drops Debut Teaser
  12. Soompi: Zico’s Upcoming Boy Group BOYNEXTDOOR Counts Down To Debut With New Teaser
  13. BOYNEXTDOOR on Twitter (May 3, 2023)
  14. (KR) SportsKhan: ‘하이브 신인’ 보이넥스트도어, 멤버명 첫 공개
  15. Soompi: BOYNEXTDOOR Confirms Plans For First-Ever Comeback
  16. BOYNEXTDOOR on Twitter (August 7, 2023)
  17. Soompi: BOYNEXTDOOR Shares Plans To Make April Comeback
  18. BOYNEXTDOOR on Twitter (March 18, 2024)
  19. @BOYNEXTDOOR_JP on Twitter (May 6, 2024)
  20. (JP) BOYNEXTDOOR Japan Website: BOYNEXTDOOR JP 1st Single『AND,』の「Earth, Wind & Fire (Japanese Ver.)」の応援方法を公開!
  21. Soompi: BOYNEXTDOOR's Leehan To Temporarily Halt Activities Due To Health
  22. Positions are based on songs from their debut single album "Who!" and their intro videos (Sungho/Riwoo/Jaehyun/Taesan/Leehan/Woonhak). Only the "Leader" position was confirmed on Melon Magazine.
  23. Koreaboo: Weverse Accidentally Posts Final 2023 Weverse Con Festival Lineup And Quickly Deletes It
  24. Weverse: [Weverse Con Festival] 2024 Weverse Con Festival - 1st Lineup & 1 DAY PASS Earlybird Ticket Information
  25. Soompi: KCON Japan 2024 Announces 1st Lineup
  26. @mega.mgc.coffee_official on Instagram (May 3, 2024)
  27. @summer_sonic on X (May 1, 2024)
  28. Soompi: Update: KCON LA 2024 Announces 2nd Lineup Of Artists
  29. Soompi: "Music Bank In Madrid" Announces Lineup For 2024

Official links[]