Nishizaki Miku was born on April 17, 2006 in Okayama, Japan.
In early 2019, Nishizaki took part in the Morning Musume '19 LOVE Audition and made it to the finals, but was not chosen to join the group.
On August 2, it was announced that Nishizaki had joined Hello Pro Kenshuusei alongside eight other girls. They were introduced on September 8 at Hello! Project Kenshuusei Happyoukai 2019 9gatsu ~Kirameki~.
When Nishizaki joined Hello Pro Kenshuusei, she was in her first year of middle school. As of April 2022, Nishizaki is currently in her second year of high school.
Here is a list of nicknames that was used to refer to Nishizaki Miku:
- Miku-chan (みくちゃん): One of her nicknames as a Hello Pro Kenshuusei member.
- Nishimi (にしみ): One of her nicknames as a Hello Pro Kenshuusei member.
- Mittsuan (みっつあん)
- Omiku (おみく)
- Micchan (みっちゃん): One of her nicknames as a Hello Pro Kenshuusei member. One of her nicknames as a OCHA NORMA member.
- Mikumiku (みくみく): One of her nicknames as a Hello Pro Kenshuusei member. One of her nicknames as a OCHA NORMA member.
- Name: Nishizaki Miku (西﨑美空)
- Nicknames: Mikumiku (みくみく), Micchan (みっちゃん), Miku-chan (みくちゃん), Nishimi (にしみ), Mittsuan (みっつあん), Omiku (おみく)
- Birthdate: April 17, 2006
- Birthplace: Okayama, Japan
- Blood Type: O
- Height: 155 cm (5 ft 1 in)?
- Western Zodiac: Aries
- Eastern Zodiac: Dog
- Hello! Project Status:
- UP-FRONT PROMOTION Status:
- 2019-08-02: Member
- OCHA NORMA Member Color:
- Hello! Project Groups:
- [2020–2021] Hello Dream.
- [2019-] Hello! Project Station
- She likes to bake cakes on her days off.
- She is the first Hello! Project member from Okayama prefecture.
- She admires Yonemura Kirara for being able to change facial expressions, especially her poses during photo shoots.
- To practice on her voice pitch, Nishizaki uses a piano app to help her, just like with the teacher.
- She admires Satoyoshi Utano and her very pretty dancing. Utano encouraged her at a Kenshuusei recital event and hugged her.
- Her favorite dog breed is a Golden Retriever.
- She always loved idols since she was little.
- She didn't realized her idol dream until four years ago before she became a member of OCHA NORMA. She was shy and far from becoming an idol back then.
- Her goal is to become an idol who represents Okayama.
- She likes the Kanji "御", which is in the word "Gohan" (rice).