Runda is a spoiled girl who believes it's natural for everyone to do things for themselves. She is always with the big, clumsy toy robot Nanda. One day, the "toy stick" that has the power to change things into toys drops into Anpanman's world. Runda and Nanda hastily go in search of the important item, but are struck by lightning. Nanda ends up being hurled to Anpanman and his friends, while Runda finds herself with Baikinman and his friends.

[Source: Anime News Network]