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Just B

South Korean boy band

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 18, 2026
Entity authorityQ107548399
Source-derived summary

Just B (Korean: 저스트비) 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".

Editorial summary

The public source identifies “Just B” as south Korean boy band. This brief keeps that definition visible, then builds a research path around Just, South and Korean.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2019, 2020, 2021, 2022—that can be checked directly. The linked authority record independently contributes the date 2021. Its value is orientation rather than verdict, with Just, South and Korean providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Just B”, the useful work is to connect “south Korean boy band” to the records capable of establishing context and consequence.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 18, 2026. The linked authority identifier is Q107548399. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2019, 2020, 2021 and 2022.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  2. Expand the search: follow Just B primary sources, Just B archive and Just research across catalogues and specialist indexes.
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Questions for further research

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Source & attribution

This entry incorporates text from Just B” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.