Special Week (SR)

Special Week (SR) is a SR card in Umamusume: Pretty Derby, titled “Special Week (SR) [20043]”.

Special Week (SR) was released on March 12, 2026. They were introduced alongside Narita Top Road (R), Mejiro Bright (R), Satono Diamond (SSR) [30088], Mejiro Bright (SSR), Mejiro Ryan (SR) [20040], Sakura Bakushin O (SR), Narita Top Road (SSR), Admire Vega (SR), suggesting they were part of the same content update.