
The reverie of a girl who fights her destiny and the "Shadow Guardians." The stage is modern-day London, in a world where the fears and anxieties of people give birth to inhuman shadows. A foreign student gets embroiled in an outlandish incident as soon as she sets foot on English soil. Seeking help in a city where she knows no one, she wanders into a quaint cafe that has quietly remained open in the dead of night: Cafe Forbidden. It is a place where the guardians of the border between human and shadow gather.

Yumenosaki Private Academy, a school located on a hill facing the ocean. Specializing in boys' idol training, the school has a long history of producing generations of idols for the entertainment world out of the young men overbrimming with talents, like the shining stars in the sky. Due to "special circumstances," you are a transfer student at the school, as well as the only female student there. In fact, you are chosen to be the very first student of the "producer course," and your task is to produce these idols… We hope you will enjoy your journey with the idols you meet at the academy, as well as the vigorous ensemble that together you will make.

There is a world where fantastic beasts called "Spirals" are born from isolation. Those who can defeat the beasts are called "Periods." Haru is an apprentice Period who belongs to the Arc End 8th Branch. However, after a mysterious theft incident, there is an economic collapse, and the Arc End headquarters abandons the 8th Division, leaving only three Periods left, including Haru. Haru and the other two Periods start their work to rebuild the 8th Division.