Just B () is a South Korean boy band formed by Bluedot Entertainment. The group consists of six members: Geonu, Bain, Lim Ji-min, Siwoo (formerly known as JM), DY, and Sangwoo.
History 2019–2020: Pre-debut activities DY and Bain were former contestants on MBC's survival show Under Nineteen. DY won first place and made his debut as the center of 1the9 while Bain was eliminated in the final episode.
Lim Ji-min was a former contestant on SBS' The Fan, but was eliminated. He made his solo debut with his single album Mini.
Geonu and Siwoo were former contestants on Mnet's survival show I-Land. Siwoo was eliminated in the first part, while Geonu was eliminated in the second part of episode 8.
2021–2022: Debut and early years
On June 30, Just B officially debuted with the release of their first extended play Just Burn and the lead single "Damage" was produced by Bang Yong-guk, a singer, rapper, songwriter and producer who was the leader of the boy group B.A.P.
On October 27, Just B returned with their first single album Just Beat and its lead single "Tick Tock".
On April 14, 2022, Just B released their second extended play Just Begun and its lead single "Re=load".
They released their third extended play = (Neun) and its lead single "Me=" on November 16, 2022.
2023–2024: JUST Be with you , ÷ (Nanugi), formation of The CrewOne On February 14, 2023, Just B released their first collaboration project with soloist AleXa titled "MBTI".
On April 12, 2023, Just B released their pre-release single "얼어있는 길거리에 잠시라도 따듯한 햇빛이 내리길" (Camelia) with lyrics penned by members DY and Sangwoo and composed by DY. Their fourth EP, ÷ (Nanugi), was released on October 9. The EP contains six tracks with the lead single "Medusa".
On June 27, 2024, the group collaborated with ATBO to form the project boy group The CrewOne. The project group then joined Mnet's competition program Road to Kingdom: Ace of Ace, which premiered on September 19, 2024. On November 29, IST Entertainment announced that The CrewOne's collaborative promotions would come to an end and the group disbanded.
2024–2025: Daddy's Girl, Still I Luv You, " , JUST ODD, Too Late, Snow Angel In 2024 and 2025, Just B released a series of singles, starting with "Daddy's Girl", released on May 22, 2024, following the group's Just Be With You Tour, during which the song was performed for the first time.
On January 5, 2025, Just B released the single "Still I Luv You" and the following month, they released a two-song EP titled ", which featured the songs "한걸음만" and "Hoodie."
On March 28, 2025, Just B released an EP titled JUST ODD, featuring the lead single, "CHEST." This release was followed by the JUST ODD Tour, which came to parts of Asia and North America.
On August 24, 2025, Just B released a single titled "Too Late."
On October 18 and 25, 2025, Just B made an appearance on episode 3 & 4 of Show It All Vietnam, acting as a performer to battle against the group of shortlisted contestants.
Just B released their 5th mini album Snow Angel on November 7, 2025. The first single, "Going South", was pre-released on October 24, 2025. The album was funded in collaboration with the group's fans as part of a crowdfunding campaign. Just B will embark on a Listening Tour across America in support of the album.
Members
Adapted from their Naver profile and official website. Geonu () Bain () Lim Ji-min () Siwoo () DY () Sangwoo ()
Personal lives of members Bain came out in April 2025, saying, “I’m proud to be a part of the LGBTQ+ community — as a gay person.” This made him the first active male K-pop idol to publicly come out as gay.
Discography Extended plays Title EP details Peak chart positions Sales KOR
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Just BurnReleased: June 30, 2021 Label: Bluedot Entertainment Formats: CD, digital download, streaming audio17KOR: 21,605 Just BegunReleased: April 14, 2022 Label: Bluedot Entertainment Formats: CD, digital download, streaming audio 11KOR: 53,030 = (Neun)Released: November 16, 2022 Label: Bluedot Entertainment Formats: CD, digital download, streaming audio 7 KOR: 53,767Cumulative Sales of Apocalypse: Follow Us:
÷ (Nanugi)Released: October 9, 2023 Label: Bluedot Entertainment Formats: CD, digital download, streaming audio 21 KOR: 20,912Cumulative Sales of ÷ (Nanugi):
Snow AngelReleased: November 7, 2025 Label: Bluedot Entertainment Formats: Digital download, streaming audio 32 KOR: 4,606Cumulative Sales of Snow Angel:
Single albums Title Album details Peak chart positions SalesKOR Just BeatReleased: October 27, 2021 Label: Bluedot Entertainment Formats: CD, digital download, streaming audio 9 KOR: 28,221 JUST Be with you Pt. 1Released: February 14, 2023 Label: Bluedot Entertainment Formats: digital download, streaming audio colspan="2"
Singles +List of singles Title Year Album "Damage" 2021 Just Burn "Tick Tock" Just Beat "Re=load" 2022 Just Begun "Me=" () = (Neun) "MBTI" 2023 Just B with You Pt. 1 "Camellia" Camellia "Medusa" ÷ (Nanugi) "Daddy's Girl" 2024 "Chest" 2025 Just Odd "Going South" Snow Angel "True Heart"
Videography
Music videos + List of music videos, showing year released and directors Title Year Director(s) "Damage" 2021 Jimmy (VIA) "Tick Tock" "Try" "Re=load" 2022 "Me=" "MBTI" 2023 ZanybrosZanybros Music Video works - 2023 "Camelia"
Awards and nominations
+Name of the award ceremony, year presented, award category, nominee(s) of the award, and the result of the nomination Award ceremony Year Category Nominee(s)/ Work(s) Result Asia Artist Awards2021Male Idol Group Popularity AwardJust B Hanteo Music Awards2021Rookie Award – Male Group 2023Blooming Star Award 2024 Korea Model Awards2022Rising Star Award
References