Rumors swirl around Kamome Academy, claiming that somewhere inside its ancient grounds within the labyrinthine corridors a clock controls the flow of time for the school. Three keepers—representing past, present and future—guard this device. Yet an unexpected incident throws chaos into the campus, causing pupils to age rapidly and the building to crumble.
Nene Yashiro and Kou Minamoto turn to Hanako-kun for assistance, beginning a fresh quest to locate those behind the disaster. What they discover goes beyond identifying the offenders. As concealed truths surface and fresh promises are made, both students and spirits of the academy become entangled in a fate‑driven contest, where the living must battle to break free from its relentless hold for the students in the shadows.
