The story takes place in a picturesque provincial town, where a series of mysterious incidents begin to unfold. A young girl’s ghost climbing onto rooftops every night. Foxfire flickering in the shrine. A demon lurking in the mountain pass, luring people in. Disappearances tied to a fifty-year-old mystery. All these mysteries converge into a single message: “Let’s solve all these mysteries together!” Join Haruta, a boy from Tokyo, and Yukiko, a tengu girl, in this heartwarming coming-of-age love comedy mixed with small-town mystery! The coming winter will be their last. This is the story of a boy and a girl, racing through their final moments together, living vividly in the present.