Fukutomi Tsuki (Billlie)

Who is Tsuki (Billlie)?

Tsuki is a Japanese singer, dancer, model, and MC under MYSTIC STORY. She serves as the main dancer and sub vocalist of the South Korean girl group Billlie, which debuted on November 10, 2021, with their first mini album "The Billage of Perception: Chapter One". Born Fukutomi Tsuki on September 21, 2002, in Osaka Prefecture, Japan, she holds multiple positions within the entertainment industry.

Before joining Billlie, Tsuki trained under SM Entertainment, where she was known by the name Ravi. She participated in JYP's 15th Audition and later became a regular model for the Japanese magazine Popteen starting in November 2019. In addition, she briefly performed as a member of the Japanese girl group 7+ME LINK and its sub-unit MAGICOUR, debuting under the stage name TARU on November 25, 2020, before graduating in December 2020.

Tsuki's work with Billlie gained significant recognition, particularly through the song "GingaMingaYo (the strange world)," which accumulated more than 35 million streams on Spotify. From February 8 to November 15, 2023, she served as an MC for MBC's music program Show Champion alongside Moon Sua and WOOAH's Nana. Her MBTI personality type is ENFP.

Tsuki's career journey

Early training and SM Entertainment

Fukutomi Tsuki trained at SM Entertainment for two years under the stage name "Ravi" during her middle school years. Her training period coincided with aespa's Ningning, as both became trainees simultaneously. Following her departure from SM Entertainment, she participated in JYP Entertainment's 15th audition in February 2019, advancing to the final 32 applicants.

Joining MYSTIC Story and MAGICOUR

Tsuki joined MYSTIC Story in 2019 and was officially revealed as a member of MYSTIC Rookies on February 19, 2020. She participated in the third season of the Japanese survival show "Popteen Cover Girl War" alongside fellow Billlie member Siyoon, which led to her becoming a regular model for Popteen magazine starting in November 2019. On November 25, 2020, using the stage name TARU, she debuted as a member of the Japanese girl group MAGICOUR with the single "MAGIC". She graduated from MAGICOUR on December 15, 2020.

Debuting with Billlie

On September 30, 2021, Tsuki was confirmed as the second member of Billlie. The group debuted on November 10, 2021, with their first mini album "The Billage of Perception: Chapter One" featuring the lead single "Ring X Ring".

What are Tsuki's roles in Billlie?

Main dancer position

Billlie designated Fukutomi Tsuki as the main dancer, a role that gained substantial recognition through her performance of "GingaMingaYo (the strange world)." Her fancam for this track went viral on multiple platforms, showcasing sharp movements and strong facial expressions. On May 18, 2022, during her appearance on MBC every1's South Korean Foreigners, she demonstrated her facial expression control by creating a new expression per second while performing. Industry observers and fans have described her as a "facial expression master" with a magnetic stage presence that naturally draws attention without overdoing choreography.

Sub vocalist abilities

As a sub vocalist in Billlie, Tsuki contributes to the group's vocal arrangements while maintaining her primary focus on dance performance. Fans have noted similarities between her vocal tone and TWICE's Sana, particularly when performing Japanese-language songs where her vocal abilities become more evident.

Japanese language representation

Tsuki serves as one of two Japanese members in Billlie alongside Haruna. Within the group dynamic, she functions as a Japanese language teacher, facilitating communication and cultural exchange. Her fluency in Korean, developed through intensive dedication, enables her to bridge both linguistic and cultural aspects of the group's Korean-Japanese composition.

Tsuki's personal life and background

Family and childhood

Born as an only child, Fukutomi Tsuki hails from Yodogawa-ku, Osaka City, Osaka Prefecture, Japan. She began taking dancing lessons at four years old and initially aspired to become a kindergarten teacher. Before relocating to Korea, she worked at Shake Shack to earn and save money for her training expenses. She moved to Korea at age 14 during her second year of middle school in 2016.

Hobbies and interests

Her personal interests include watching cartoons and anime, drawing or painting, and playing games. BoA and Girls' Generation serve as her role models, with her decision to pursue K-pop influenced by watching Girls' Generation's Japan promotion of "Genie" during elementary school. Furthermore, she holds SHINee's Minho and BLACKPINK's Jisoo as her favorite members from respective groups. Her life motto is "Don't be better than others but be better than yourself".

Famous friendships

Tsuki maintains friendships with several notable idols, including aespa's Ningning, with whom she trained during difficult periods. Additional connections include LE SSERAFIM's Miyawaki Sakura, Kep1er's Mashiro, former LOONA member Chuu, and H1-KEY's Yel.

Tsuki's achievements and activities

Show Champion MC role

On January 26, 2023, MBC M announced that Fukutomi Tsuki would serve as an MC for Show Champion alongside Moon Sua and WOOAH's Nana. The trio made their first broadcast on February 8, 2023, representing the first all-female MC lineup for the music program after transitioning from an all-male trio. Their tenure concluded on November 15, 2023.

Solo projects and collaborations

Radio Osaka selected Fukutomi Tsuki to host "Tsuki ENT.VIEW," a Japanese-language radio program introducing K-pop and Korean culture to Japanese speakers, which aired from April 8 to August 29, 2023. On May 24, 2023, she featured on Super Junior's Yesung's first Japanese mini album track "僕は変わらず君へと向かう". Additionally, she released a digital single "I Don't Know Yet What Love Is" on August 14, 2023, as part of the Gwihogam Project.

Variety show appearances

Netflix cast Fukutomi Tsuki as a regular member of Zombieverse, a zombie-themed survival variety series that premiered on August 8, 2023. She subsequently appeared on the web variety show Star of Star Girls with LOONA's Chuu and (G)I-DLE's Yuqi from October 16 to December 28, 2023. In 2026, she confirmed her appearance on MBC's I Live Alone.

FAQs

What does the name 'Tsuki' mean? The stage name 'Tsuki' translates to 'moon' in Japanese. Her former stage name 'TARU' represents a Japanese pronunciation of the Korean word 'dal', which also means moon.

What is Tsuki's personal fandom name? Her individual fanbase uses the name 'Tarutaru'.

How long was Tsuki's training period? She trained for a total of 5 years before debuting with Billlie.

What Korean names does Tsuki use? She has been called 'Moon Seokhee' by (G)I-DLE's Miyeon and 'Kim Jin-ah' by entertainer DEX.

Does Billlie have a designated leader? Billlie operates without a single designated leader. Instead, Sua and Suhyeon co-lead the group together.

What are Tsuki's food preferences? Her favorite foods include braised kimchi and ramen. When asked about pizza toppings, she prefers triple cheese. Regarding pineapple on pizza, she approves of it as a topping.

Which Billlie members participated in survival shows? Before debut, multiple members competed on survival programs. Sua appeared on Unpretty Rapstar 2, Suhyeon participated in Produce 101 and MIXNINE, and Sheon competed on Girls Planet 999.