Just B

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.

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 made 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–present: JUST Be with you, ÷ (Nanugi)
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-track with the Punk rock lead single "Medusa".

Members
Adapted from their Naver profile and official website.
 * Geonu (건우)
 * Bain (배인)
 * Lim Ji-min (임지민)
 * Siwoo (추시우)
 * DY (전도염)
 * Sangwoo (상우)