One day, Miu Takigawa suddenly receives a letter notifying her that she has been chosen as a member of a brand-new project. Half in disbelief, she heads over to the location stated on the letter. There, she finds seven other girls summoned there in the same fashion. The girls behold a giant, top-secret facility. They stand in bewilderment as they are told: "You are going to debut for a major record label as an idol group." A new kind of idol, never-before-seen, is about to be born here...

Thirty years ago, aliens attacked Earth and nearly brought humanity to extinction. Since then, mankind has clawed for survival, fighting the invaders for land, and the UN established EXCEEDS, an agency to stave off alien threats. On a remote island in a world of chaos, young hunter Shiina yearns for a quiet life with her sister, Setsuna, but a single incident draws her into the larger battle.

Girl's new life begins in… Manga cafe!?

Meiko Morita, a high schooler living in Akita, is suddenly selected as a special transfer student to the prestigious girls' school Amamiya Girls' Academy. With both excitement and nerves, she heads to Tokyo to begin her new life.

But what awaits her isn't a typical student dorm, it's a manga café called "Hedgehog", which also functions as a shared dormitory!

Living in a tiny one-tatami room and working at the café as part of her daily duties, Meiko finds herself surrounded by quirky fellow residents, and so begins her slightly strange, manga-filled Tokyo life!