A middle school girl named Yume sees something fall from the sky, and meets a pale violet-colored kitten named Mew. It turns out that Mew has the power of "Yume Synchro" (Dream Synchro), the power to enter dreams. In the dream world, the girl and Mew collect Dream Stones.

Natsumi Murakamias Yume Hinata (voive)
Aki Toyosakias Mew (voice)
Yurika Kuboas Peko (voice)
Hisako Kanemotoas Su (voice)
Ayasa Itoas Maira Tsukishima (voice)
Eri Yukimuraas Kotoko Imai (voice)
Yusuke Kobayashias Asahi Minagawa (voice)
Rie Kugimiyaas Yuni (voice)
Misaki Kunoas Tsugi (voice)
Natsumi Fujiwaraas Hagi (voice)