한 Members of Just B Just B (저스트비) is a South Korean Boy Group that debuted in 2021. They consist of 6 members: Geonu, Lim Jimin, Bain, DY, Sangwoo and Siwoo. Have been in pre-debut promotions since 2018, but officially debuted only in 2021 Return to Artist Read All Members 201820192020202120222023202420252026 GeonuLim JiminBainDYSangwooSiwoo Lim Jimin (임지민) Full Name: Lim Jimin Date of Birth: 2001-05-22 (25 years) Zodiac sign: Gemini Country: South Korea Active period: 2021-present Role: Leader Geonu (건우) Full Name: Lee Geon Woo Date of Birth: 2001-02-02 (25 years) Zodiac sign: Aquarius Country: South Korea Active period: 2021-present Role: Leader Bain (배인) Full Name: Song Byeonghee Date of Birth: 2001-05-04 (25 years) Zodiac sign: Taurus Country: South Korea Active period: 2021-present Role: DY (도염) Full Name: Jeon Doyum Date of Birth: 2002-02-21 (24 years) Zodiac sign: Pisces Country: South Korea Active period: 2021-present Role: Sangwoo (상우) Full Name: Kim Sangwoo Date of Birth: 2002-09-03 (24 years) Zodiac sign: Virgo Country: South Korea Active period: 2021-present Role: Maknae Siwoo (시우) Full Name: Chu Siwoo Date of Birth: 2001-10-11 (25 years) Zodiac sign: Libra Country: South Korea Active period: 2021-present Role: Images No images yet Return to Artist