It's a modern fairy tale and fantasy, telling the story of two girls, rich girl "Charmy" and poor girl "Yossie". The mothers of these unrelated girls "Rich Mom" and "Poor Mom". The mothers are worried for their daughters, so they each send a letter to "Magic User Aibon" in outer space, seeking her help. Poor Mom is worried that Yossie will know nothing but having to work for others, and Rich Mama is worried that Charmy will become a loveless person, like her father.
Magic User Aibon having these two stories decides to help by playing a trick and having the girls switch lives for a week. When this happens both of the girls are in confusion but decide to try out the new lives they have. Charmy then takes the responsibility of taking care of "The Four Poor Sisters" and also taking on other daily activities. While Yossie begins to find out the care free life as a rich person is not all its cracked up to be. Along the way the girls begin to realize what was missing and needed in there lives but will their mother's wish for them be answered?
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