The White Era

The White Era (白の時代) was a short story event in the Umamusume: Pretty Derby Game that was held originally in December 11 to December 14, 2025. This features characters from Cinderella Gray series and took place after Oguri's last race at the Arima Kinen. This event is a celebration of the final arc of the Cinderella Gray manga.

The White Era
Kanji	白の時代
Romaji	Shiro no Jidai
Event Information
Date Released	11 Dec 2025 – 14 Dec 2025 (JP)
Featured Song	Hello Polaris
Previous	Flower-Blooming Victory Club
Next	-

Story

Characters

• Oguri Cap
• Tamamo Cross
• Super Creek
• Inari One
• Sirius Symboli
• Yaeno Muteki
• Bamboo Memory
• Gold City
• Mejiro Ardan
• Mejiro Ryan

Event Related Trainees/Cards

• [Cinderella Gray] Oguri Cap

Trivia

• Chapter 1 features a remastered version of the first chapter of Main Story - Act 1 Episode 1, now featuring Oguri's Cinderella Gray outfit that was first introduced in the 203rd chapter of the Cinderella Gray Manga.
  • Notable changes includes more focus on Mejiro Ryan during the final spurt, the inclusion of the latter-added Umamusume Yaeno Muteki and Mejiro Ardan and the use of the anime's original soundtrack.