- Name: Murota Mizuki (室田瑞希)
- Nickname: Murotan (むろたん)
- Birthday: June 12, 1998
- Birthplace: Chiba, Japan
- Blood type: AB
- Height: 153cm
- Hobbies: Dancing
- Specialty: 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.
- [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
- TV Programs
- TV Dramas
-  Otona e Novel (オトナヘノベル) (as Anna)
-  Hello Pro Kenshuusei no Tadaima Kenshuuchuu! (ハロプロ研修生のただ今研修中!)
- [2015–] Hello! Station (ハロ！ステ)
-  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)
- 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.