「When that rain of stars falls, a miracle will surely find you.」

On the day the shooting stars fell――my mother vanished.

Years later, a mysterious girl named Shiho appears alongside a falling star before an ordinary high schooler, Kanata Amamiya.

She suddenly starts spouting nonsense about protecting him from “alien threats,” and so begins their life under the same roof.

SFxRom-comxActionxWacky Meteor Story Opening!?