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Who are we? B.I.G! Hello, we are B.I.G!
(Who are we? B.I.G! 안녕하세요, B.I.G입니다!)


B.I.G (비아이지) is a four-member boy group under GH Entertainment. Originally as five, they debuted on July 9, 2014 with their first single "Hello".

Their name is an acronym for "Boys In Groove".



All five members of B.I.G were trainees before becoming members of the group and have an average of three years training between them. Three of the group's members: Gunmin, Minpyo and Heedo, trained at the Plug In Music Academy.[1] Benji had previously been a student at Cleveland Institute of Music and Heifetz International Music Institute,[2] and later attended Juilliard School, before dropping out in 2011 to pursue a music career in South Korea.[3] Before debuting the members practiced together as a group for one and a half years.

2014: Debut with "Hello", "Are You Ready?", and "Last Christmas"[]

B.I.G debuted with their first digital single, "Hello" on July 9, 2014 performing their debut stage on SBS MTV's The Show.[4]

On October 16, they confirmed that they would made their comeback with their second digital single "Are You Ready?",[5] and later on October 22, they made their comeback stage on MBC Music's Show Champion.[6]

On December 12, they released their rendition of Wham!'s "Last Christmas" to thank their fans and celebrate their first Christmas as a group.[7]

2015: "Between Night n Music" and "Big Transformer"[]

On March 3, 2015, they announced their third digital single, "Between Night n Music", accompanied by a selection of individual and group teasers images,[8] and later on March 6, the new digital single and accompanying music video were released.[9]

On November 4, they announced that they would be joining the long list of November comebacks,[10] and later their fourth digital single, "Big Transformer", including the title track "Taola" was released on November 19.[11]

2016: Japanese debut with "Taola", Aphrodite, and B.I.G Japan First Live[]

GH Entertainment confirmed in late January that B.I.G were preparing for their upcoming Japanese debut, with management from HY Entertainment.[12] The group began promoting in Japan by holding showcases in Tokyo before their debut to help them become known.[13] They officially debuted on March 23, 2016 with the Japanese version of "Taola", which peaked at number 15 on the Oricon weekly singles chart.[14]

On May 10, they announced that their first mini-album, Aphrodite, would be released later that month whereas the mini-album and accompanying music video for title track of the same name, were released on May 17.

On June 17 and 18, they held their first Japanese concert, B.I.G Japan First Live, at Harajuku's Astro Hall in Tokyo.[15]

2017: "B.I.G Rebirth", "Hello Hello", and The Unit[]

On February 1, 2017, it was revealed that B.I.G was preparing for a single to be released on February 13.[16] On the same day, GH Entertainment announced that Minpyo would be going on a temporary hiatus due to health issues and would be unable to participate in the comeback.[17] On February 13, the group officially made their comeback with the single "B.I.G Rebirth" and the song title "1.2.3".[18]

On April 20, they teased their Asia tour titled The B.I.Ginning, which would begin in Seoul.[19]

On May 23, B.I.G came back as a five-member group with the first single album "Hello Hello".[20]

On September 8, the line up for the 2017 Dream Concert In Pyeongchang was revealed with B.I.G being one of the artists performing. They later performed at the concert on November 4.[21]

2018: First sub-unit[]

On February 26, Gunmin and Heedo thanked VIXX's Ravi for helping them record a song for their sub-unit.[22] They then made their debut in the first sub-unit Gunmin X Heedo on April 26 with the single "Don't Worry".

2019: Addition of Jinseok and "Illusion"[]

At a fan sign in January 2019, it was announced that Jinseok would be joining the group as a new member.[23] They would then promote as a five-member group until J-Hoon's return from the military.

On June 26, B.I.G was invited to the Blue House to meet Muhammad bin Salman, the Crown Prince of Saudi Arabia. They then performed for the people present at the meeting.[24]

On November 4, they released their second single album "Illusion". The single marked Jinseok's official debut.[25]

2020: Benji's departure[]

On October 1, 2020, Benji revealed on his personal SNS that he would be leaving the group. He mentioned that he did not renewed his contract with the company as he wanted to pursue his solo activities.[26]

2021: Minpyo's departure and "Flashback"[]

On March 31, 2021, it was announced that Minpyo had decided not to renew his contract with the company. The group was to continue as a four-member group with J-Hoon, Gunmin, Heedo, and Jinseok.[27]

On November 14, 2021, B.I.G released a teaser for their upcoming comeback "Mr. Big : Flashback", set to be released on November 23.[28]

2022: Japanese concert activities[]

On March 21, 2022, they revealed their B.I.G Premium Live in Tokyo 2022 that would be doing several concerts in Tokyo.[29]

On June 7, 2022, they announced that they would held their online live concert B.I.G Online Live Concert on June 25, during The 15th Korea-Arab Friendship Caravan.[30]

On July 27, 2022, they revealed they would be going on their Japan tour 2022 B.I.G Live Tour in Japan. The group started off the tour with twenty three dates across the Japan.[31]

2023: Gunmin's enlistment, "Want"[]

On January 14, 2023, GH Entertainment announced that Gunmin will be enlisting in the military on January 26.[32]

On August 18, 2023, they released a teaser for their new digital single "Want", which will be released on August 31.[33]


Name Position(s) Years active
J-Hoon (제이훈) Lead Dancer, Lead Vocalist 2014–present
Heedo (희도) Main Rapper, Maknae (2014–2019) 2014–present
Jinseok (진석)[23] Main Vocalist, Maknae (2019-present) 2019–present
Inactive (military service)
Gunmin (건민) Leader, Main Dancer, Vocalist 2014–present
Benji (벤지) Main Vocalist, Visual, Face of the Group 2014–2020[26]
Minpyo (민표) Main Rapper 2014–2021




Mini albums[]

Single albums[]

Digital singles[]


  • "Moorim School OST" ("Hey Girl") (2016)




Reality shows[]

  • B.I.G Project (MBC Music, 2017)[34]


  • B.I.G Japan First Live (2016)
  • The B.I.Ginning (2021)
  • B.I.G Premium Live in Tokyo 2022 (2022)
  • B.I.G Online Live Concert (2022)
  • 2022 B.I.G Live Tour in Japan (2022)


  • BIG Online Fanmeeting Event (2022)[35]
  • B.I.G Online Fanmeeting Summer Party (2022)[36]





  1. 현재 공식적으로 아이돌 최다 배출 학원
  2. kpopstarz: "B.I.G's Benji Shows Off Julliard trained Violin Skills"
  3. "Kids' Strings Sing At The Heifetz Institute"
  4. "신인그룹 비아이지(B.I.G), 데뷔곡 '안녕하세요' 공개"
  5. 비아이지, ‘준비됐나요’ 5인 5색 멤버별 매력 포인트 파헤치기
  6. 비아이지 ‘준비됐나요’, 준비된 상남자돌의 당찬 세레나데
  7. "비아이지, 캐롤 'Last Christmas' 음원 12일 정오 공개"
  8. 비아이지, 멤버별 티저 공개..다섯 남자의 몽환적 매력 발산
  9. "비아이지(B.I.G), '밤과 음악 사이'로 컴백..몽환적 매력"
  10. 비아이지, 11월 보이그룹 컴백 대열 동참
  11. "비아이지, 신곡 '타올라' MV 선공개..11월 가요대전 합류"
  12. 비아이지, 日 진출 신호탄 쐈다!..첫 단독 공연 ‘성료’
  13. 비아이지, 23일 일본 데뷔 싱글 발매 "예약 쇄도"
  14. 비아이지, 日 타워레코드 1위·오리콘 10위권 안착
  15. "B.I.G Swept Japan With Its Concert"
  16. Soompi: B.I.G Preparing Brand New Image For Upcoming Single “1, 2, 3”
  17. Soompi: B.I.G’s Gook Min Pyo To Drop Out Of Upcoming Comeback Due To Deterioration In Health
  18. Soompi: Watch: B.I.G Gets Funky With New Music Video For “1.2.3”
  19. V Live: B.I.G(비아이지) ASIA TOUR in SEOUL CONCERT (The B.I.Ginning) teaser
  20. Soompi: Watch: B.I.G Is Back And Better Than Ever With “Hello Hello” MV
  21. Soompi: Lineup Announced For 2017 Dream Concert In Pyeongchang
  22. Soompi: B.I.G’s Heedo And Gunmin Thank VIXX’s Ravi For His Help On Their Upcoming Unit Album
  23. 23.0 23.1 Soompi: B.I.G Welcomes New Member To Lineup
  24. Soompi: B.I.G Invited To Blue House To Meet Crown Prince Of Saudi Arabia
  25. Soompi: November Is Jam-Packed With Comebacks, Debuts, And More New Music: Check Out What’s Coming
  26. 26.0 26.1 Soompi:B.I.G’s Benji Announces Departure From The Group
  27. Allkpop: B.I.G (Boys In Groove) announces member Minpyo's departure from the group
  28. @BIG_GHofficial Twitter Post (November 14, 2021)
  29. @BIG_GHofficial Twitter post (March 21, 2022)
  30. @BIG_GHofficial Twitter post (June 7, 2022)
  31. @BIG_GHofficial Twitter post (July 27, 2022)
  32. @BIG_GHofficial Twitter post (January 14, 2023)
  33. @BIG_GHofficial Twitter post (August 18, 2023)
  34. "비아이지(B.I.G), 특별한 매력 어필…'남다른 예능감 과시'"
  35. @BIG_GHofficial Twitter Post (February 7, 2022)
  36. @BIG_GHofficial Twitter Post (June 16, 2022)

Official links[]