Umamusume September 2025 Banner Schedule Adds Seiun Sky

Cygames shared the September 2025 banner and event schedule for Umamusume: Pretty Derby, and one of the most notable Trainee characters joining is Seiun Sky. In the Japanese version of the game, she’s known for being a strong inheritance unit for Front Runners. Things all kick off with that and the Gemini Cup PvP event on September 7, 2025. 

First, here’s the full Trainee and Support Card banner schedule for September 2025 in Umamusume: Pretty Derby, which all starts with that Seiun Sky banner and a rerun of some Support Cards. 

September 7-18, 2025: Seiun Sky Trainee Banner starts.SSRSupport Card rerun banner with Silence Suzuka Speed and Tamamo Cross Stamina returns. September 17-25, 2025: Hishi Amazon Trainee Banner starts, SSR Bamboo Memory Power Support Card banner begins. September 21-October 4, 2025: Fantasy alts of El Condor Pasa and Grass Wonder appear on the new Trainee banner, and the new Support Card banner has SSR King Halo Power and Seiun Sky Wits cards.

The current banners are wedding ones, with the new Trainees being bride alts of Air Groove and Mayano Top Gun. Those both run until September 10, 2025.

As for the event schedule, that starts with the Gemini Cup, follows with some Legends races, and ends with an event story tied to the El Condor Pasa and Grass Wonder alts. Here’s when each of those will run:

September 7-17, 2025: Champions Meeting Gemini Cup - Kyoto Turf 3,200m (Long) Right/Outer Spring, Sunny race with Firm Conditions. September 11-23, 2025: Legends Races against Mayano Top Gun, Mejiro McQueen, Super Creek, and TM Opera S. September 21-October 4, 2025: Epic Odyssey: Uma Quest Story Event.

Here’s the full image Cygames shared:

Image via Cygames

Umamusume: Pretty Derby is available for PCs and mobile devices, with Seiun Sky showing up as the next new banner on September 7, 2025. Crunchyroll hosts the original anime, while the Cinderella Gray one is on Amazon.

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