Planet | With

When strange "Nebula Weapons"—which look like giant floating stuffed animals—attack Earth, seven local heroes transform into mechs to defend the planet.

A large purple cat who acts as a mentor and can transform into Soya's mecha.

The seven "superheroes" of Earth who use psychic powers to manifest their own mechs.

The story follows , a high school student with amnesia living with a gothic lolita named Ginko and a giant purple cat-like creature known only as Sensei .