|Season||Beautiful Witches Seasons|
|Eye Color||Light blue|
|Home Place||Hisakata Town|
|First Appearance||Epiosde B46|
Mizuki is a confident young girl, who loves to dance and dreams of joining of forming a dance group one day. She has a tendency of describing things she likes as Cool (クール Kūru?). Mizuki is the human alter ego of Kotsukai Leveret.
Mizuki has wavy, lavender colored hair, which reaches far over her shoulders. She has a small part of her hair tied into a ponytail at the back of her head. The ponytail is held by a blue-ish white colored ribbon. Mizuki is fair skinned and has light blue colored eyes.
In civilian, Mizuki wears a dark red colored, short sleeved top, over which she wears a greyish blue colored denim jacket. Two buttons are attached to the left pocket of the jacket. One button is green colored and shows a white lightning, while the second button is black and shows a red colored heart. Mizuki wears black skinny jeans which are made to look vintage. Mizuki also wears dark red colored ankle boots that show a little white fur.
During winter, Mizuki wears a long sleeved, dark red colored turtle neck sweater under which she wears a black colored shirt. Mizuki has the sweater, as well as the shirt, rolled up to her elbows. Around her neck, she wears a long necklace with a clef symbol as its pendant. She wears dark blue colored skinny jeans with black colored boots that have white laces and show parts of white fur.
During summer, Mizuki wears a black colored, short sleeved top whose sleeves don't cover the shoulders. The top has a grey colored swirl pattern. Underneath the black top, Mizuki wears a dark red tank top. She wears the same necklace as she wears in winter, which has a pendant shaped like a clef symbol. She wears greyish blue colored hot pants, white stockings and black ankle boots.
Mizuki is a confident girl with a pretty cool nature. She is a second year middle school student, who attends a private school in Hisakata Town. Mizuki tends to be rather positive and despises people who think negatively. Mizuki can become quite stubborn and may sound a little bossy some times. Even though some people tend to avoid her because of her bossy nature, Mizuki will never let go of her dream. She dearly dreams of forming or joining a dance group with some of her friends and become known all across Japan. Mizuki can also be a very lovely young girl, who adores everything that is considered as cute.
- Ozora Eiichiro: Eiichiro is Mizuki's father, whom she lives with since he and her mother divorced about six months ago. Eiichiro works at a building company.
- Himura Anna: Anne is Mizuki's mother, who moved away from Hisakata Town together with Mizuki's younger sister. Anna works in a high position of a popular company.
- Himura Koyuki: Koyuki is Mizuki's younger sister, who currently lives with her mother is a town far away from Hisakata Town. Koyuki is a cheerful girl. She and Mizuki are talking via message stream everday.
- Aoba Nikki: Nikki is Mizuki's very good friend. Mizuki adores Nikki for being experienced in life at a yet pretty young age. Mizuki sometimes wonders if Nikki could know famous people through her mother's job.
Ozora (大空?) - Ozora comes from O (大?) meaning "big", "large" or "great", combined with Zora (空?) meaning "sky". Ozora can be translated as "big sky" or "vast sky", but also means "firmament" or "heaven" in Japanese.
Mizuki (聖月?) - Mizuki is a Japanese given name for girls. It comes from Mi (聖?) meaning "holy", combined with Zuki (月?) meaning "moon". Mizuki means "holy moon". However, Mizuki could also mean "beautiful moon" or "moon beauty", if her name is written as 美月.