High schooler Ninamori Akane is assigned by the newspaper club to report on local places that are rumored to be haunted. She asks the new transfer student, Amemura Fujino, to join her, and together they discover the simple truths behind the spooky stories. Their friendship grows as they explore their town of labyrinthine paths and endless stairways.

Akane and Amemura continue to research the haunted places of their town as their friendship grows. Starting with rumors of a forgotten seventh mystery at their school, they investigate the truth behind the spooky stories about a local swimming pool, a bookstore, and other ordinary places. What will be revealed?