Una grande potenza malvagia, Queen Metaria e i suoi sottoposti, Queen Beryl e i Quattro re celesti, stanno tentando di sottrarre l'energia agli esseri umani, per poter dominare sulla Terra. L'ultimo baluardo per la salvezza del pianeta sono le guerriere sailor, cinque ragazze delle scuole medie: la sbadata Usagi Tsukino, la geniale Ami Mizuno, la sacerdotessa Rei Hino, dotata di poteri soprannaturali, il maschiaccio Makoto Kino e la popolare cantante Minako Aino. A guidare le guerriere ci sono due gatti di peluche parlanti: Luna e Artemis.

On the brink of a third World War, superheroes appeared on Earth. Gifted with powers, their appearance brings peace to the world. The heroes each selected a country in which they would reside, serve, and protect its citizens. Shy is Japan’s hero, endowed with super strength. Her most daunting enemy yet? Crippling shyness. Join Shy and her super friends as she defends Earth and gains confidence!

The eleventh entry in the Toei Fushigi Comedy Series.

Yuko Murikami stops by a shrine to pray for the new school year. Yuko accidentally breaks the bell and drops it on top of a turtle's head. Because she is the only person that stopped by the shrine in a long time, he grants her the power to become a superheroine, based on another ancient deity. It is her job to protect her neighborhood from the threats it faces. By yelling "Cosmo Magic! Métamorphose!!", she transforms into the Masked Beaty Poitrine!