Miyu Kashiwa is a Mii in Wii Sports and Wii Sports Resort.
- To defeat her.
- Miyu Kashiwa makes a brief cameo appearance in the Adventures in Wuhu Island episode, The Band Rehearsal, where she is seen clapping.
- Miyu Kashiwa makes another brief cameo appearance in "The Wuhu Island Movie", where she is seen bickering with her older sister Izumi Michiko.
- Has a older sister named Izumi Michiko.
- Best Friends with Rin, Keiko, Haru, and Abby.
- She loves Matt Young.