It's autumn at Kamome Academy, and the annual school festival is underway. While
Nene and her friends are busy with preparations, a select few begin carrying out their
plot in the shadows-they have their eyes set on the yorishiro of No. 1 of the seven
School Mysteries, the Clock Keeper. When supernaturals burst onto the scene, what
was supposed to be a fun school festival turns into an unexpected crisis...!