|Alias||The Girl in a Sea of Stars|
|Soul Gem||A turquoise star necklace|
|Contract Wish||Heal her illness to walk again.|
|Appears in||Puella Magi Madoka Magica Side Story: Magia Record|
Hideaki was born with an illness that have the inability to move her legs, she never attended high school because she lived in the Hospital for 10 years, doing therapy.
When she was alone at home, Kyubey appeared as she fell out of the wheelchair trying to get her glasses on, and eventually accepted to be a magical girl. The desire she asked was: To be cured of this disease and to be able to walk.
Her default weapon is a Katana.
- Hurricane Show:
She holds two katanas in each hand, throwing them as she spins, and thus repeating the moves.
- Non-bright Meteor:
She transforms her katana in a clone, which distracts the witch as she turns her other katana and hit the witch in the head.
- Healess Star:
She sticks her katana on the floor, making a heal aura to its allies for 50 minutes.
- Following the Stars of the Past:
Saying "Open mijn manier om vooruit te komen!" (Make way for me to move on!), Hideaki's necklace glows, illuminating the environment to follow through.
Cheerful and depressed, she does not say much. But sometimes she cried because of her inability to walk. She is childhood friend of Kyouko Sakura.
She is albino, with her hair tied in a ponytail to her hip, and green eyes. Before she made the contract with Kyubey, she wore a black dress, sleeveless to the knee, with a black sneaker and her hair on pigtails. Sat in a wheelchair. After she made her contract with Kyubey, she decided to change her style: She tied her hair in a ponytail, changed her dress into a half-sleeve blouse, a pair of jeans, and changed her sneakers into a sandal.
- She use glasses.
- Before she made the contract with Kyubey, she never attended High School.
- She is depressed because she never had friends, besides Kyouko Sakura.
- Her seiyuu is Hisako Kanemoto, who dubbed Yayoi Kise in Smile Precure.
- Kyouko Sakura call her as "Aki".
- Her witch form is Starling (non-canon).