Sirius Symboli (R)

Sirius Symboli (R) is a R card in Umamusume: Pretty Derby, titled “Sirius Symboli (R) [10071]”.

Sirius Symboli (R) was released on December 8, 2025. They were introduced alongside Sirius Symboli (SR), Nakayama Festa (SSR), Nakayama Festa (R), suggesting they were part of the same content update. Sirius Symboli (R) has been part of Umamusume: Pretty Derby since near its launch.