I. Introduction:
Pre-debut
On January 30, 2021, it was announced all three remaining members of PlayM BOYS (Song Byeong Hee, Lim Jimin and Jeon Do Yum) moved to a new agency, Bluedot Entertainment.
On the midnight of May 21, 2021, Bluedot released a coming soon teaser for their upcoming group JUST B. Later that same day at 6PM KST, JUST B hosted a Twitter Spaces in which the six members (named L, J, D, B, S, and G) answered questions through live audio conversations.
The following day, it was announced the group will make their official debut in the summer and that each member will be revealed starting on May 24. On the midnight of May 24, Geonu was officially revealed as the group's first member, followed by Lim Jimin on the 25th, DY on the 26th, Sangwoo on the 27th, Bain on the 28th and JM on the 29th.
On June 7, 2021, the group posted a photo teaser announcing their debut date to be June 30.
On June 13, the schedule for their debut mini album, Just Burn, was posted.
JUST B (저스트비) (formerly known as Fave Boys, Play M Boys, and Bluedot Boys) is a 6-member boy group under Bluedot Entertainment. The lineup consists of Geonu, Bain, Lim Jimin, JM, DY, and Sangwoo. They were first introduced as contestants on the survival show Under Nineteen in November of 2018 and I-LAND in June 2020. They debuted on June 30, 2021 with their first mini album “Just Burn” and title track “Damage“.
JUST B Official Accounts:
Twitter: @JUSTB_Official / @JUSTB_twt
Instagram: @justb_ig_official
YouTube: JUST B
TikTok: @justb_official
Facebook: @JUSTBOfficialFB
V LIVE: JUST B
Trivia
Bain, Lim Jimin and DY are former members of PlayM BOYS.
Bain and DY are former contestants on Under Nineteen.
Bain was eliminated in the final episode while DY finished first place,
thus becoming a member and the center of the project group 1THE9.
Geonu and JM are former contestants on I-LAND.
II. Members:
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Stage Name: Lim Jimin (임지민) Birth Name: Lim Ji Min (임지민) Position: Leader, Main Dancer, Lead Vocalist, Visual, Center Birthday: May 22, 2001 Zodiac Sign: Gemini Nationality: Korean Height: 181cm (5’11) Prior to his group debut, he made his solo debut on May 12, 2019 with his first single "Mini". He is credited for writing 1 song under the name LIM JI MIN(10024367) Single albums "Mini" (2019) "Youth" (2019) Variety shows The Fan (SBS, 2018–2019) - contestant (placed 3rd) He was the 2nd member officially revealed, on May 24, 2021. Started training in January 2017. |
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Stage Name: Geonu (건우) Birth Name: Lee Geon Woo (이건우) Position: Lead Vocalist Birthday: February 2, 2001 Zodiac Sign: Aquarius Height: 176 cm (5’9”) Career 2018: Dancing High In 2018, he participated in the KBS survival show Dancing High. He was one out of 35 contestants, chosen from 3,112 applicants. 2020: I-LAND On June 2, 2020, Geonu was introduced as a participant in the CJ ENM and Big Hit Entertainment's then upcoming survival show I-LAND. 2021: JUST B On February 2, Geonu opened up a personal Twitter account. On May 24, He was the 1st member officially revealed Filmography Survival shows Dancing High (KBS, 2018) - contestant I-LAND (Mnet, 2020) - contestant |
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Stage Name: Bain (배인) Birth Name: Song Byeong Hee (송병희) Position: Main Vocalist, Lead Dancer Birthday: May 4, 2001 Zodiac Sign: Taurus Nationality: Korean Height: 182 (6′) Career 2018–2019: Under Nineteen On October 25, 2018, Bain was introduced as a contestant of Under Nineteen under his birth name Song Byeong Hee, with his moving poster. The poster revealed that he was a part of the performance team. He was part of the top 19, but was eliminated in the final episode. He was the 5th member officially revealed, on May 28, 2021. Can speak Korean, English, Japanese, and Mandarin. He is credited for composing 1 song under the name 배인(BAIN)(Z9999900) |
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Stage Name: JM (제이엠) Birth Name: Chu Ji Min (추지민) Position: Sub-Vocalist Birthday: October 11, 2001 Zodiac Sign: Libra Nationality: Korean Height: 173 cm (5’8″) Career 2020: I-LAND On June 3, 2020, Jimin was introduced as a participant in the CJ ENM and Big Hit Entertainment's then upcoming survival show I-LAND. On the seventh episode, he was unfortunately eliminated from the show and was unable to participate in Part 2. 2021: JUST B On May 29, he was officially revealed as a member. Survival shows I-LAND (Mnet, 2020) - contestant |
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Stage Name: DY (디와이) Birth Name: Jeon Do Yum (전도염) Position: Main Dancer, Main Rapper, Sub-Vocalist Birthday: February 21, 2002 Zodiac Sign: Pisces Nationality: Korean Height: 173 (5’8”) Career 2018–2020: Under Nineteen and 1THE9 On October 25, 2018, Jeon Do Yum was introduced as a contestant of Under Nineteen with his moving poster. The poster revealed that he was a part of the performance team. He finished in first place, thus becoming a member and the center of the project group 1THE9. 2021: JUST B On May 26, 2021, he was revealed as the 3rd member Reality shows Under Nineteen (MBC, 2018-2019) - contestant |
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Stage Name: Sangwoo (상우) Birth Name: Kim Sang Woo (김상우) Position: Lead Dancer, Sub-Vocalist, Maknae Birthday: September 3, 2002 Zodiac Sign: Virgo Nationality: Korean He was the 4th member officially revealed, on May 27, 2021. He’s from Jeju Island and he’s a really dexterous/skilled swimmer. He’s in charge of dance and making choreographies in the group. |
III. Discography:
Mini Albums
| Just Burn is the debut mini album by JUST B. It was released on June 30, 2021 with "Damage" serving as the album's title track. Track list 1. "Get Away" - 3:34 2. "Damage" - 3:04 3. "On My Way" - 2:56 4. "Double Dair" - 3:28 5. "Deja Vu" - 3:13 Video links "Damage" music video Choreo one take ver. MV teaser "Damage" cheer guide video Just Burn fan showcase "Damage" "Get Away" Highlight medley Trailer video |
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| Just Begun is the second mini album by JUST B. It will be released on April 14, 2022 with "Re=load" serving as the album's title track. The physical album comes in four versions: White, Green and Nemo (full and light). Track list 1. "Dash!" - 2:52 2. "Re=load" - 3:18 3. "Make It New" - 3:19 4. "Don't Go Back" - 3:07 5. "Lights On" - 3:06 Video links "Re=load" music video MV teaser "Re=load" cheer guide video Highlight medley Trailer Jacket making behind |
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| = (Neun) is the third mini album by JUST B. It will be released on November 16, 2022 with "Me=" serving as the album's title track. The physical album comes in four versions: Equal, Similar and Nemo (E and S). Track list 1. "Domino" - 3:19 2. "Ready or Not" - 2:58 3. "Me= (나는)" - 3:12 4. "Cherry on Top" - 3:06 5. "밤공기" - 3:49 Video links "Me=" music video MV teaser "Me=" choreo one take ver. "Me=" cheer guide video Highlight medley Concept film JM Bain Geonu Sangwoo DY Lim Jimin Trailer Showcase "Me=" Lim Jimin Geonu Bain JM DY Sangwoo "Ready or Not" "Night Stroll" Jacket making behind |
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| ÷ (Nanugi) is the fourth mini album by JUST B. It was released on October 9, 2023 with "Medusa" serving as the album's title track. "Camellia" was pre-released on April 12, 2023. The physical album comes in four versions: Grey, Pink and Nemo (G and P). Track list 1. "Drama" - 3:07 2. "Medusa" - 2:48 3. "Paper Plane" - 2:24 4. "Youth" - 3:45 5. "Coming Home" - 2:48 6. "Camellia (얼어있는 길거리에 잠시라도 따듯한 햇빛이 내리길)" - 3:14 7. "Coming Home (Acoustic English ver.)" (Digital only) - 2:49 Video links "Medusa" Music video Performance ver. MV teaser #1 / #2 MV making behind Dance practice (Fix ver.) Geonu Bain Lim Jimin JM DY Sangwoo Point dance tutorial (Mirror ver.) Cheer guide video Recording behind "Youth" Special video Performance ver. Dance practice ('Coming Con'ver.) Recording behind "Coming Home (Acoustic English ver.)" "Live clip ÷ (Nanugi) Highlight medley Trailer Jacket making behind |
Single Albums
| "Just Beat" is the first single album by JUST B. It was released on October 27, 2021 with "Tick Tock" serving as the single's title track. The physical single comes in two versions: Blue and Black. Track list 1. "Tick Tock" - 3:10 2. "Vindicated" - 3:26 3. "Try" - 3:21 Video links "Tick Tock" music video Choreo one take ver. MV teaser MV behind "Tick Tock" Halloween special (Squid Game ver.) "Tick Tock" cheer guide video "Tick Tock" point dance tutorial Highlight medley Trailer Just Beat fan showcase "Tick Tock" "Try" Jacket making behind |
Digital singles
"Camellia" (2023)
"Tasty" (2023)
Collaborations
"Just Be With You Part.1" (with AleXa) (2023)
