Moon Byul (문별) is a South Korean rapper under RBW. She is the main rapper of the girl group MAMAMOO and a former member of the project girl group Girls Next Door.

She made her solo debut on May 23, 2017 with the digital single "Selfish".


Mini albums

Digital singles




  • Start Love (Naver TVCast, 2015)


  • Moon Byul created the choreography for MAMAMOO's debut song, "Mr. Ambiguous".[citation needed]
  • She's known as "Conservative Moon" due to her wearing long-sleeved clothing. She sometimes scolds the members for wearing revealing clothing.[citation needed]
  • Due to her sweating a lot, she got the nickname "Black Hole".[citation needed]
  • She writes her own rap lyrics for many songs in MAMAMOO's albums.[citation needed]
  • In some of MAMAMOO's songs, members and herself tend to call her "Moonstar" due to 별 (Byul) meaning star in English.[citation needed]
  • Moon Byul was a member of the performance unit Six Puzzle in Queendom, along with YooA, Jeong Ye InSoojinChanmi, and Eunji.[1]


Main article: Moon Byul/Gallery


Official links

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