The town of Domori is facing a series of strange occurrences that threaten its children. To safeguard them, a fresh homeroom teacher named Nube steps in. While he usually has a kind and approachable demeanor, Nube harbors a hidden truth: he’s Japan’s sole psychic educator. There's also talk that his left hand is under the influence of a demon! With this supernatural twist, Nube is determined to confront the school’s seven mysteries, battling ghosts and malevolent spirits that target his students.