• I. Introduction

    BtoB (비투비), an acronym for Born to Beat, is a South Korean boy group under Cube Entertainment that made their debut on March 21, 2012. The group currently consists of six members Seo Eunkwang, Lee Minhyuk, Lee Changsub, Im Hyunsik, Peniel Shin, and Yook Sungjae. Jung Ilhoon departed the group in December 2020.

    II. Career

    BtoB held their debut showcase in Seoul on March 21, 2012 where they performed their debut title tracks "Insane" and "Imagine". The event was streamed on their official YouTube channel. On April 3, their self titled debut mini album, Born to Beat, was released. In April, they starred in their first reality program, Amazon, on Mnet. On May 3, they released the digital single "Father". On May 23, the group released an Asian Special Edition of their first mini album, which marked the start of their first Asian promotional tour with performances in Singapore, Indonesia, and Japan. On September 12 the group released their second mini album, Press Play with the title track "Wow". On October 18, they promoted the follow up single "Lover Boy".

    In February 2013, BtoB participated in the 2012 United Cube Concert. On April 6, they held their first fan-meeting in Taiwan for 1000 fans. They released their first digital single "2nd Confession" on April 10. On August 29, BtoB released the music video for "When I Was Your Man" and on September 9, they released their third mini album Thriller.

    On February 17, 2014, BtoB released their fourth mini album, Beep Beep with a title track of the same name. The album ranked first on the Gaon Album Chart for the ninth week of 2014, making it their first album to hit number 1. In September, BtoB released their fifth mini album, Move, with lead single "You're So Fly". On November 12, they released their first Japanese single, "Wow".

    On March 25, 2015, BtoB released their first Japanese single album, Future. It ranked second on the Oricon Singles Chart. On June 28, they released their first full length album, Complete, with title track "It's Okay". "It's Okay" was the group's first ballad single and topped multiple major music charts in South Korea upon it's release. On October 12, they released their seventh mini album, I Mean, with title track "Way Back Home". On October 21, BtoB received their first music show win after 3 years and 7 months on Show Champion. The group's transition to releasing ballad music achieved the group success, earning multiple nominations on year-end awards and winning the "Best Vocal Group Award" on the 30th Golden Disc Awards and the "Ballad Award" for "It's Okay" on the 25th Seoul Music Awards.

    On March 28, 2016, BtoB released their eighth EP, Remember That, with the title track "Remember That" concluding their ballad trilogy. The group released their fifth Japanese single, L.U.V, on June 15. It debuted on top of the weekly Oricon chart and Billboard Japan Hot 100 chart. On June 24, BtoB performed at the KCON 2016 NY in Newark, New Jersey. On August 6, BtoB released a special digital single for summer, "I Want to Vacation", as a present for fans. On November 7, BtoB released their ninth mini album, New Men. It includes the promotional track "I'll Be Your Man" which marks the group's first dance title track release after two years and two months. "I'll Be Your Man" topped multiple music charts shortly after its release.

    On March 6, 2016, BtoB released their tenth mini-album, Feel'eM. The mini-album includes the pre-released single "Someday" and the lead single "Movie". From April to September, each of the BtoB members released solo digital singles as part of the Piece of BtoB project. Lee Chang-sub started the project with a self-composed ballad track "At the End". It was followed by Jung Il-hoon's up-tempo hip-hop track "Fancy Shoes", Peniel's "That Girl", Im Hyun-sik's self-produced alternative-rock track "Swimming", Lee Min-hyuk's R&B hip-hop song "Purple Rain" featuring singer Cheeze, Yook Sung-jae's ballad track "Tell Me" along with the b-side, "Paradise" and was concluded with Seo Eun-kwang's ballad track "One Day" and the b-side "Back Then". On September 20, BtoB was awarded their first Bonsang at the 1st Soribada Best K-Music Awards. On October 16, BtoB released their second studio album, Brother Act with the title track "Missing You". It also peaked at number two on the Gaon Digital Chart, becoming their highest charting single on the chart.

    On June 18, 2018, BtoB released their eleventh mini album, This is Us and on July 10, all seven members renewed their contracts with Cube Entertainment. In August, Eunkwang began his mandatory military service. On November 12, the group released a special album titled Hour Moment without the participation of Seo Eunkwang, with the song "Beautiful Pain" functioning as single.

    On October 27, 2020, Eunkwang, Minhyuk, Changsub, and Peniel announced that they have formed a unit called BtoB 4U. The unit debuted on November 16. On December 31, Cube Entertainment announced that Ilhoon will leave BTOB after being investigated for using marijuana. The current four members of BtoB participated in Kingdom: Legendary War. The group finished 4th overall.

    III. Members

    IIII. Current Members

    Eunkwang (은광)
    Birth Name: Seo Eun Kwang (서은광)
    Position: Leader, Main Vocalist
    Birthday: November 22, 1990
    Sub-Units: BtoB Blue, BtoB 4U
    Instagram: @btob_silver_light
    Twitter: @btob_sekwang
    Minhyuk (민혁)
    Birth Name: Lee Min Hyuk (이민혁)
    Position: Lead Rapper, Lead Dancer, Vocalist, Visual
    Birthday: November 29, 1990
    Sub-Unit: BtoB 4U
    Instagram: @hutazone
    Twitter: @btob2mh
    Changsub (창섭)
    Birth Name: Lee Chang Sub (이창섭)
    Position: Lead Vocalist
    Birthday: February 26, 1991
    Sub-Units: BtoB Blue, BtoB 4U
    Instagram: @lee_cs_btob
    Twitter: @LeeCS_BTOB
    Hyunsik (현식)
    Birth Name: Im Hyun Sik (임현식)
    Position: Main Dancer, Lead Vocalist
    Birthday: March 7, 1992
    Sub-Unit: BtoB Blue
    Instagram: @imhyunsik
    Twitter: @BTOB_IMHYUNSIK
    Peniel (프니엘)
    Birth Name: Shin Dong Geun (신동근)
    Position: Lead Rapper, Vocalist
    Birthday: March 10, 1993
    Sub-Unit: BtoB 4U
    Instagram: @btobpeniel
    Twitter: @PenielShin
    Youtube: POV
    Sungjae (성재)
    Birth Name: Yook Sung Jae (육성재)
    Position: Vocalist, Face of the Group, Maknae
    Birthday: May 2, 1995
    Sub-Unit: BtoB Blue
    Instagram: @yook_can_do_it
    Twitter: @BTOB_6SJ

    IIIII. Former Member

    Ilhoon (일훈)
    Birth Name: Jung Il Hoon (정일훈)
    Position: Main Rapper, Vocalist
    Birthday: October 4, 1994
    Instagram:  @ilhoonmj
    Twitter: @BTOB_ILL

    IV. Discography

    Artwork Title Release Date Type Language
    BTOB-Born-To-Beat-cover-art-2.png Born to Beat April 3, 2012 Mini Album Korean
    BTOB-Press-Play-digital-cover-art.png Press Play September 12, 2012 Mini Album Korean
    BTOB-Thriller-cover-art.jpg Thriller September 9, 2013 Mini Album Korean
    BTOB-Beep-Beep-cover-art.png Beep Beep February 17, 2014 Mini Album Korean
    BTOB-Move-cover-art.jpg Move September 29, 2014 Mini Album Korean
    BTOB-Wow-digital-normal-edition-album-cover.png Wow November 14, 2014 Single Album Japanese
    BTOB-The-Winter-s-Tale-cover-art.png The Winter's Tale December 22, 2014 Mini Album Korean
    BTOB-Mirai-Ashita-digital-Type-B-album-cover.png Mirai (Ashita) March 25, 2015 Single Album Japanese
    BTOB-Complete-cover-art.png Complete June 30, 2015 Full Album Korean
    BTOB-My-Girl-Digital-Type-A-album-cover.jpg Natsuiro My Girl August 19, 2015 Single Album Japanese
    BTOB-I-Mean-cover.png I Mean October 12, 2015 Mini Album Korean
    BTOB-Dear-Bride-digital-Type-A-album-cover.png Dear Bride February 24, 2016 Single Album Japanese
    BTOB-Remember-That-cover.png Remember That March 28, 2016 Mini Album Korean
    BTOB-L-U-V-digital-Type-A-album-cover.png L.U.V June 15, 2016 Single Album Japanese
    BTOB-New-Men-digital-cover-art.png New Men November 7, 2016 Mini Album Korean
    BTOB-24-7-Type-A-album-cover-1.png 24/7 December 7, 2016 Full Album Japanese
    BTOB-Feel-e-M-digital-cover-art.png Feel'eM March 6, 2017 Full Album Korean
    BTOB-Movie-Digital-Type-A-album-cover.png Movie -JPN Ver.- May 3, 2017 Single Album Japanese
    BTOB-Brand-New-Days-Donna-Mirai-wo-Digital-Type-A-album-cover.png Brand New Days ~どんな未来を~ August 30, 2017 Single Album Japanese
    BTOB-Brother-Act-digital-cover-art.jpg Brother Act October 16, 2017 Full Album Korean
    BTOB-Japan-Best-Album-2014-2017-1096-Days-album-cover.jpg BTOB Japan Best Album 2014-2017 ~1096 Days~ February 28, 2018 Compilation Album Japanese
    BTOB-This-Is-Us-digital-album-cover.jpg This Is Us June 18, 2018 Mini Album Korean
    BTOB-Hour-Moment-digital-album-cover.jpg Hour Moment November 12, 2018 Mini Album Korean
    BTOB-Piece-of-BTOB-album-cover.png Piece of BTOB March 7, 2019 Compilation Album Korean

    V. Subunits

    VI. BtoB Blue

    In September 2016, BtoB revealed their first unit group, BtoB Blue consisting of the group's vocalists, Eunkwang, Changsub, Hyunsik and Sungjae. BtoB Blue released the digital single, "Stand By Me", on September 19, 2016.

    VII. BtoB 4U

    In October 2020, BtoB revealed their second unit group, BtoB 4U consisting of the group's currently active members: Eunkwang, Minhyuk, Changsub and Peniel. They debuted with their first mini-album Inside with title track "Show Your Love" on November 16, 2020.