An
anthropomorphized version of Oguri Cap appears in the
Umamusume: Pretty Derby franchise. Voiced by
Tomoyo Takayanagi, Oguri is depicted as an introverted, simple minded ashen-haired girl with a large appetite, often being seen eating comically large portions of food. Originally appearing as a minor character in the anime and a playable character in the game itself, Oguri Cap's real-life career would later be dramatized in
Umamusume's
spin-off manga series
Uma Musume Cinderella Gray. Produced by Junnosuke Itō, written by Masafumi Sugiura and illustrated by Taiyō Kuzumi,
Cinderella Gray began serializing in
Shueisha's
Weekly Young Jump on June 11, 2020 with the first collected
tankōbon volume published on January 19, 2021. , twenty-one volumes have been released. The manga concluded on December 25, 2025.
Cinderella Grey received an anime adaptation in 2025, airing in two split
cours. The first season, focused on Oguri Cap's debut at the Kasamatsu racecourse in 1987 to the 1988 Autumn
Tenno Sho, aired from April 6 to June 29, 2025 with the second cour airing from on October 5, 2025 to December 21, 2025. In the manga and anime series
Nichijou, the character Mai Minakami owns a dog named Oguri Cap. == Pedigree ==