One windy day, Mei Kusakabe ventures outside to play despite the turbulent weather. But just as she is about to indulge in her caramel candy, a sudden whirlwind appears and begins to chase her! Retreating back into the house, Mei discovers that her pursuer is a young Nekobasu, and after deciding on a sweet truce, the two quickly become friends. The baby Nekobasu returns that evening and invites Mei to travel with him—marking the start of their exhilarating adventure in and around the bustling forest.