|Birthdate||August 23, 1999|
|Current Age||23 Years Old|
|Social Networks||Blog / Instagram / SHOWROOM|
|Idol Career Info|
|Debuted||September 2016 / 3rd Generation|
Mukai Hazuki is a member of Nogizaka46's 3rd Generation.
- Her SHOWROOM Ranking was 9, and was Entry No. 7.
- Her Showroom, along with Umezawa Minami's and Entry No. 2, were the only ones that have audio-only during the Showroom part of the audition due to personal reasons. Their faces weren't shown until shown until the revelation of the 3rd Gen members.
- Admired members: Hoshino Minami
- She plays the guitar and dreamt of playing Shibuya Blues live.
- She was able to perform the song at Nogizaka46 7th YEAR BIRTHDAY LIVE with Shiraishi Mai and Takayama Kazumi with Matsumura Sayuri on the guitar as well. Has continued to play guitar for the song in concerts since, including the Shiraishi Mai Graduation Concert ~Always Beside You~.
- She likes socks, cats and walls.
- She is known for eating a lot.
- She took over co-hosting duties from Ito Karin of Shogi Focus in March 2019.
- She had failed Nogizaka46's 2nd Generation auditions.
Other Original Songs
- Omoide First (Umaretekara Hajimete Mita Yume)
- Settei Ondo (Umaretekara Hajimete Mita Yume)
- Mosugu ~ Zambi Densetsu ~ (Ima ga Omoide ni Naru Made)
- Hard to say (Time flies)
- 3nin no Principal (3人のプリンシパル) (2017)
- Migoroshi Hime (見殺し姫) (2017)
- Hoshi no Ojou-sama (星の王女さま) (2018)
- Nana Maru San Batsu THE QUIZ STAGE ROUND2 (2019)
- Kojikoji (コジコジ) (2019)
- Nogizaka46 Version "Pretty Guardian Sailor Moon" Musical 2019 (乃木坂46版 ミュージカル「美少女戦士セーラームーン」2019)
- Zambi (ザンビ) (2019)
- Nogizaka Under Construction (乃木坂工事中) (2015 - )
- Nobi Nobi Nogizaka 3rd Generation!! (のびのび乃木坂 3期生!!) (2017)
- Nogizaka46 no Gakutabi! (乃木坂46のがくたび！) (2017 - )
- NOGIBINGO! (2017 - 2018)
- Ramen Walker TV 2 (ラーメンWalker TV 2) (2018)
- Shogi Focus (将棋フォーカス) (2019)
- Nogizaka Skits ACT2 (ノギザカスキッツ ACT2) (2021)
Mukai Hazuki (2018 - Synchronicity)
Mukai Hazuki (2017 - Influencer)
Mukai Hazuki (2016)