The scientists of the μ(Mew) Project use DNA of endangered species to create a team of heroines imbued with amazing abilities. Armed with the skills of an Iriomote cat, Ichigo must band together with other Mew Mew girls to repel an alien incursion.

Japan, 2019, just before the dawn of a new era. Suddenly, a rift to another dimension appears in the sky, revealing an alternative world "Shinkoku Nippon," with the sky and the earth upside down. This parallel world keeps the former militarism, with its era being Eternal Showa. The military invades the real Japan with giant humanoid robots called "GARANN" and their gas weapons "GENMU", rendering our modern weapons ineffective. "Shinkoku Nippon" instantly seizes the government and achieves de facto conquest of Japan. The new era, "Reiwa," has not arrived for Japan.

Año 2019. Japón estaba a punto de cambiar el nombre de su época. Una grieta en otra dimensión que apareció de repente en el cielo. Había un mundo diferente, el "verdadero Japón", en el que el cielo y la tierra estaban invertidos.

El mundo paralelo que continúa la era del pequeño Showa manteniendo el militarismo del pasado

Con el arma de gas 'Hwanmu' que neutraliza las armas utilizadas en el mundo real y el arma humanoide gigante 'Garam',

Llevaron a cabo una agresión militar contra el Japón real, se apoderaron del gobierno en un instante y lograron la conquista de facto. La era de 'Reiwa' no llegó así ...

Years ago, many magical "Artifacts" were stolen and scattered throughout the world. They fell into the hands of people who were not supposed to know of their existence. The Hoshisato family of magicians has special access to the Artifacts, and they take it upon themselves to return them to their rightful place.

Despite her inexperience, Kana wishes to aid her parents, doing her best to improve. Meanwhile, her childhood friend Makoto has come to their mansion to study magic under her father's tutelage. Hatena is excited to see her friend again, only to be utterly disappointed when the person she thought to be a girl all these years turns out to be a boy.

Before long, Makoto comes to know of the Artifacts. Unfazed, he continues to strive to fulfill his promises and stay true to why he learns magic - to ease the sadness of people around him and, most importantly, to become a person worthy of being Hatena's partner.

The story is set in the future where humanity and the Z/X have entered a treaty and headed towards a moment of peace. Azumi Kagamihara—a girl affiliated with the Blue World—is chosen together with her Partner Z/X Rigel to enroll in Fujimisaki Academy, a school established to gather girls that are partnered with Z/X from all over Japan.