Uma Musume: Cinderella Gray Gaiden - "Enrai" Anime Details and Episodes A short story depicting the past of Tamamo Cross and Trainer Komiyama. Source: Official Account, translated. Series info Watch free DetailsFormatOne shotStatusFinishedScore64/100SourceOriginalCountryJapan GenresDramaSports RelatedUma Musume: Cinderella Gray (Parent Story)Uma Musume: Cinderella Gray Part 2 (Adaptation) CharactersTamamo Cross