Sasami Kawai is a 4th grader... she is a cheerful girl full of energy... one day, she is sent on an errand to an old mansion and meets a strange lady there... the lady identifies herself as Tsunami and claims that she comes from a Magical Kingdom called Juraihelm... she asks Sasami to help make the Earth a better place by using the magical powers she can endow upon Sasami... Sasami's career as a Magical Girl thus begins... her mysterious rival Pixy Misa, another Magical Girl, conflicts between Ryoko and Ayeka over her elder brother Tenchi, her mother who is completely out there all the time... these wacky bunch of people only help the already wacky situations get worse, making Sammy's job more difficult!... don't get discouraged, Sammy!!...