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Belllie've you! Hello, we are Billlie!


Billlie (빌리) is a seven-member girl group under MYSTIC Story. Originally as six, they debuted on November 10, 2021 with the mini album The Billage of Perception : Chapter One.



In February 2020, MYSTIC Story opened an Instagram account for MYSTIC Rookies, a pre-debut team of their seven female trainees: Moon Sua, Suhyeon, Haram, Tsuki, Siyoon, Lee Soomin and Takeuchi Miyu, all of whom were potential members of the agency's first girl group.[1] However, Soomin and Miyu left the team in August 2020 and May 2021, respectively.[2]

On May 4, 2021, MYSTIC Story confirmed plans to debut the group in the second half of the year.[3] On September 14, 2021, it was revealed that they would debut in November.[4]

On September 27, 2021, a series of dance covers were started in partnership with 1MILLION Dance Studio, the first dance cover was of Beyoncé's "Diva" and performed by Moon Sua, Tsuki and Siyoon.[5] On October 3, 2021, a cover of Cardi B's "Up" was published, now being performed by Suhyeon, Haram and new member Haruna; officially revealing her as their sixth and final member.[6] On October 10, 2021, a cover of Ashnikko's "Slumber Party" was released, this time performed by the entire group.[7]

2021: Debut with The Billage of Perception : Chapter One, addition of Sheon and "The Collective Soul and Unconscious: Snowy Night"

On October 11, it was announced that this group would be called "Billlie" and include the previously revealed trainees Moon Sua, Suhyeon, Haram, Tsuki, Siyoon and Haruna.[8]

On October 28, a fan song titled "Flowerld" was released on the group's YouTube channel.[9] It was later confirmed that the track will be featured on the group's debut album.[10] It was also announced that the group will debut on November 10 with their first mini album The Billage of Perception : Chapter One.[11]

On October 30, concept photos of the group and members for their debut mini album were revealed, starting with individual photos of Haram, Tsuki and Haruna, followed by photos of Moon Sua, Siyoon and Suhyeon and a group photo a few hours later.[12][13][14]

On November 19, MYSTIC Story announced that former Girls Planet 999 contestant Kim Suyeon would be joining Billlie under the stage name Sheon.[15]

On December 14, Billlie released the digital single "The Collective Soul and Unconscious: Snowy Night".[16] This release marked the first comeback with member Sheon participating.


Name Positions[17] Color[18] Year(s) active
Moon Sua (문수아) Main Rapper, Lead Vocalist      Purple 2020–present
Suhyeon (수현) Main Vocalist, Lead Dancer      Green 2020–present
Haram (하람) Main Vocalist, Sub Dancer      Pink 2020–present
Tsuki (츠키) Main Dancer, Sub Vocalist      Red 2020–present
Sheon (션) Main Dancer, Lead Rapper, Sub Vocalist      Orange 2021–present
Siyoon (시윤) Main Rapper, Lead Dancer      Yellow 2020–present
Haruna (하루나) Sub Dancer, Sub Vocalist, Maknae      Blue 2021–present
Soomin (수민) N/A N/A 2020
Miyu (미유) N/A N/A 2020–2021[2]


Mini albums

Digital singles







Official links