Machi Amayadori, a young shrine maiden, decides to leave her rural mountain home to experience high school life in the bustling city, accompanied by her talking guardian bear, Natsu. As she embarks on this new adventure at the age of fourteen, Machi wonders if Natsu's unconventional methods can truly equip her for the challenges of urban living. Will Machi adapt to the city's pace, or will Natsu's whimsical tests prove overwhelming even for her?