- Name: Murota Mizuki (室田瑞希)
- Nickname: Murotan (むろたん)
- Birthdate: June 12, 1998
- Birthplace: Chiba, Japan
- Blood Type: AB
- Height: 153cm
- Hobbies: Dancing
- Specialties: Dance, pantomime, impressions
- Looks Up To: Suzuki Airi, Sayashi Riho
- Hello! Project groups:
Murota Mizuki joined Hello! Project as a member of the Hello! Pro Kenshuusei in 2012, and was officially introduced at the "Hello Pro Kenshuusei Happyoukai 2012 ~3gatsu no Nama Tamago Show!~" concert on April 1, 2012. Prior to joining she participated in the 2011 S/mileage audition, where her number was #1406, and later as a member participated in the Morning Musume 11th Generation ~Suppin Utahime~ Audition in 2012.
Murota announced her graduation from ANGERME and Hello! Project on January 22, 2020, to take place on March 22nd during the ANGERME Premium show of the "Hello! Project Hina Fes 2020" concerts. She apologized for the short notice in her statement, explaining that she'd already started thinking of graduating more than a year prior and only made her choice after discussing her situation with various people. She talked about how she enjoyed expressing herself, and her desire to start fresh in learning about expressiveness and to challenge herself to a wide variety of things, including music and acting.
- [2020.03.22] Kimi Dake ja nai sa...friends (Acoustic Ver.) (君だけじゃないさ...friends (アコースティックVer.))
- [2015.07.xx] Greeting ~Murota Mizuki~ (Greeting~室田瑞希~)
- [2016.06.12] Murota Mizuki Mini Photobook "Greeting -Photobook-" (室田瑞希ミニ写真集「Greeting-Photobook-」)
- [2017.05.15] MURO
- [2019.05.24] Angermook (アンジュルムック) (Wada Ayaka, Nakanishi Kana, Takeuchi Akari, Katsuta Rina, Murota Mizuki, Sasaki Rikako, Kamikokuryo Moe, Kasahara Momona, Kawamura Ayano, Funaki Musubu, Oota Haruka, Ise Layla)
- TV Programs
- [2013–2014] ~Onedari Entame! ~Hapi☆Pure (～おねだりエンタメ! ～はぴ☆ぷれ)
- [2015–2019] The Girls Live
-  S-cene
- TV Dramas
-  Otona e Novel (オトナヘノベル) (as Anna)
- Net Programs
-  Hello Pro Kenshuusei no Tadaima Kenshuuchuu! (ハロプロ研修生のただ今研修中!)
- [2015–2020] Hello! Station (ハロ！ステ)
-  Hello Pro no Oshigoto Challenge! (ハロプロのお仕事チャレンジ!)
-  Hello Pro Kouhaku Taiko THE☆BATTLE 2019 (ハロプロ紅白対抗 ザ☆バトル2019)
-  Hello Pro no Oshigoto Challenge! 2 (ハロプロのお仕事チャレンジ!2)
- Net Dramas
-  Namae (名前)
-  Ikinukukiseki ~Juunenme no Negai~ (イキヌクキセキ～十年目の願い～)
-  Bokutachi Karen na Shounen Gasshoudan (僕たち可憐な少年合唱団)
-  Mode (モード)
-  JK Ninja Girls (JKニンジャガール) (guest appearance)
-  Yumemiru Television (夢見るテレビジョン)
-  Attack No.1 (アタックNo.1) (as Ishida Matsue)
-  Harukanaru Toki no Naka de 6 Gaiden ~Tasogare no Kamen~ (遙かなる時空の中で６ 外伝 ~黄昏ノ仮面~) (guest)
- Her official ANGERME image color is light blue.
- On a rainy day she would do homework.
- She would sing the song "100 Kai no KISS" by Matsuura Aya on a rainy day.
- Shares her birthday with Goto Yuki.
- Her best sport is basketball.
- Her favorite Hello! Project song is "Memory Seishun no Hikari" by Morning Musume.
- Her favorite S/mileage song is "Yumemiru Fifteen".
- Wrote in a magazine that her dream is to become an idol that performs around the world.