The far future, when humanity is forced to flee Earth after an attack from mechanical lifeforms known as Weiss. These beings can be combated by Actresses: young women adept at using high-dimensional weapons known as Alice Gear. Under the supervision of AEGiS, private companies of Actresses head out into the universe to exterminate Weiss and save the human race from being doomed to wander the universe forever.

Isekai'd into another world, Haruka makes use of seemingly underpowered skills to live as a lone wolf.

A group of nine determined girls enter the 7th Annual “Selection Project,” a television show where they’ll audition to become idols…and pursue their dreams!

The story centers around the first-year student Mana Shikimiya as she pursue her dreams of winning at the Prism Stage, the competition that determines the top middle-school idol.