Doremi and Pop's mom. A rather forceful woman and referred to as jealous by her children and her husband. She is nonetheless a caring mother, who is the first to agree to allow her child (Doremi) to continue working in Maho-do when it changes into a Sweets Shop seeing the positive change it has on Doremi. She is also the one who gives Doremi advice when raising Hana. She loves her daughters and is very proud of them.

Spoiler

Haruka used to be a famous pianist until she was hospitalized and became depressed, almost committing suicide. When she learned she was pregnant with Doremi, she regained her will to live.