MustB (머스트비)
- Debut (Y.M.D): 19.01.30
- Latest Album Released (Y.M.D): 23.08.22
- Label: MustM Entertainment
- Music Videos (Official Videos): I Want U, Realize, La Señorita (라 세뇨리타), Royalty, Rush
- Discography: I Want U (digital single), Let Me Rise Again, Spring Again, La Señorita (라 세뇨리타), Muffin Christmas, Royalty, Rush
- Fan Club: Muffin
- Symbol:
OFFICIAL SITES:
- Daum Café
- Homepage
- Youtube
- Twitter / Instagram / Tik Tok
- Taegeon @tg930409 / mustb_taegeon
- Wooyeon @ / mustb_wooyeon
- Doha @ / mustb_doha
- Soohyun @ / mustb_soohyun
- Sihoo @ / mustb_sihoo
MEMBERS:
- Name (Real Name): Taegeon (Lim Tae Geon)
- Hangul: 태건
- Position: Leader, Rap
- Color Code*: Blue
- Birthday (Y.M.D): 93.04.09
- Nationality: N/A
- Height: 180cm (5ft 11in)
- Blood Type: A
- MBTI: ESFP
- Sub-Unit: N/A
- Formerly of*: M.Crown, Challenger
- Name (Real Name): Wooyeon (Kang Sung Kyu)
- Hangul: 우연
- Position: Vocal
- Color Code*: Indigo
- Birthday (Y.M.D): 94.03.07
- Nationality: Korean
- Height: N/A
- Blood Type: N/A
- MBTI: INTP
- Sub-Unit: N/A
- Name (Real Name): DoHa (Kim Do Hyun)
- Hangul: 도하
- Position: Vocal
- Color Code*: Green
- Birthday (Y.M.D): 95.04.03
- Nationality: Korean
- Height: 178cm (5ft 10in)
- Blood Type: B
- MBTI: ESFJ
- Sub-Unit: N/A
- Formerly of*: Underdog as Baekjin
- Also See*: Hi5 as Baekjin
- Name (Real Name): Soohyun (Kim Soo Hyun)
- Hangul: 수현
- Position: Vocal
- Color Code*: Orange
- Birthday (Y.M.D): 96.01.20
- Nationality: N/A
- Height: 175cm (5ft 9in)
- Blood Type: O
- MBTI: ESFP
- Sub-Unit: N/A
- Name (Real Name): Sihoo (Seo Sung Wook)
- Hangul: 시후
- Color Code*: Purple
- Position: Vocal, Maknae
- Birthday (Y.M.D): 98.10.29
- Nationality: Korean
- Height: N/A
- Blood Type: N/A
- MBTI: ENTJ
- Sub-Unit: N/A
FORMER MEMBERS:
- Name (Real Name): Hawoon (Choi Ji Ho)
- Hangul: 하운
- Position: Vocal
- Color Code*: Yellow
- Birthday (Y.M.D): 93.08.22
- Nationality: N/A
- Height: N/A
- Blood Type: N/A
- MBTI: N/A
- Sub-Unit: N/A
- Formerly of*: N.T.B as Jeeho, Challenger as Jeeho
- Name (Real Name): Sangwoo (Oh Sangwoo)
- Hangul: 상우
- Position: Leader, Rap
- Color Code*: Red
- Birthday (Y.M.D): 94.01.05
- Nationality: Korean
- Height: 178cm (5ft 10in)
- Blood Type: O
- MBTI: N/A
- Sub-Unit: N/A
- Formerly of*: Pure Boy, Blast, Underdog as Kain
*Chibin is included in former members here because he was in a pre-debut official music video release
- Name (Real Name): Chibin (Jeon Chi Bin)
- Hangul: 치빈
- Position: Vocal
- Birthday (Y.M.D): 98.01.14
- Nationality: N/A
- Height: 176cm (5ft 9in)
- Blood Type: N/A
- MBTI: N/A
- Sub-Unit: N/A
- Formerly of*: MASC