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![Seiun Sky (SSR) [30055]](https://media.gachatracker.app/media/games/umamusume/cards/Seiun_Sky_SSR_30055.webp)
Seiun Sky (SSR) [30055] is a SSR card in Umamusume: Pretty Derby.
Seiun Sky (SSR) [30055] was released on September 21, 2025. They were introduced alongside King Halo (SSR), Gold Ship (SSR) [30057], suggesting they were part of the same content update. Seiun Sky (SSR) [30055] has been part of Umamusume: Pretty Derby since near its launch.
