I Inherited the Mask Keeper Job

Hibiki watched his newest compass spin beneath a subway station, then point toward a floor that did not exist. His job was making tools for rescue teams who entered the shifting mazes under modern Japan. He trusted numbers, metal, and careful work. People were harder. A strange old stage mask had come to him after his grandmother died, along with the duty of keeping it safe. When Mayu arrives to ask for help with her final test at a secret performance school, Hibiki learns the mask breaks every performer in the exact same way. Only Mayu can wear it without losing the beat. Their work pulls them into locked rooms, company fights, and a tunnel his compass says is waiting below them. Hibiki has...