is a Japanese author and media personality. She is a former second generation member of the idol group Hinatazaka46.
On August 13, 2017, Miyata passed the auditions for new members of Keyakizaka46's subgroup Hiragana Keyakizaka46 (now Hinatazaka46). In the group, she was known for her cutesy character, known in Japan as burikko, which she often demonstrates in the group's television show.' Her fandom name is .
Miyata enjoys reading and frequently recommends books to other Hinatazaka46 members. She extensively studied the classic poem collection Man'yà Âshà « when in university and occasionally discusses literature in the group's television shows, such as comparing the members to characters in The Tale of Genji. Her first published literary work is the short story , which is part of the collection along with stories by voice actress Shiina Natsukawa and comedian , compiled by the literature social networking service Monogatary.com and published digitally in December 2018.
Miyata went on hiatus in November 2020 and returned for Hinatazaka46's second anniversary concert in March 2021. During her hiatus, she graduated from the Faculty of Letters, Kokugakuin University, and also obtained her librarian certification.
Miyata was one of fifteen entertainment figures who offered book recommendations as part of the 15th anniversary celebration of Kobunsha Classics New Translation Collection in November 2021, in which she endorsed the twelfth century short story The Lady who Loved Insects. She expanded to tanka poetry by participating in the fourth Idol Tanka Party, organized by the . An admirer of voice actress and singer Kaori Ishihara, she was featured in dialogue and photoshoot sections in Ishihara's photobook, titled Terminal and released in March 2022.
On September 7, 2022, Miyata announced that she would graduate from Hinatazaka46 due to health concerns and would be absent from the concert tour "Happy Smile Tour 2022". She did not participate in the music recording for the single "Tsuki to Hoshi ga Odoru Midnight", but appeared in the bonus content videos. On December 18, she appeared during the encore of the Hinakuri (Hinatazaka Christmas) 2022 concert to make her farewell speech and perform "Joyful Love" for the last time with the group.
To commemorate her departure from Hinatazaka46, Miyata's photo and novel collection book, titled , was published by Shinchosha on February 28, 2023. It consists of five stories inspired by the Man'yà Âshà « and photos taken in Nara Prefecture, the "capital" of Man'yà Âshà «. The book was reprinted three days after its release. In an interview with author Akane Chihaya, Miyata revealed that the book was written in only three months and that the second story, Beniume-iro, had to be shortened to around 40 percent of its original length to meet the publisher's requirements.
In late 2023, Miyata was appointed as brand ambassador for the cookie brand.
On April 28, 2025, her 27th birthday, Miyata launched a subscription-based photobook project, titled #6E0304 after the Web color code for a shade of blood red, where subscribers would receive photobooks of different themes every month for a year. A photo exhibition based on the project was held in November. Her fourth fiction book, titled , was published by PHP Institute the same year. It depicts the relationship of four women with food and was inspired by her own experiences with dieting.
Miyata released another photobook in 2026, titled Lilas and published by Gentosha on January 28. It was photographed in Cebu, Philippines, where Miyata had taken part in a short overseas study program as a high school student, and was meant to capture the "beauty" of her physique before she turned 30. It placed third on the Oricon Weekly Photobook charts with around 3600 copies sold.
Miyata's interests include reading classical literature and collecting . She respects Akane Moriya, a former member of Sakurazaka46.
Miyata's notable contributions to Hiragana Keyakizaka46 and Hinatazaka46's discography include: