On a blustery afternoon, Mei Kusakabe steps outside to play even though the sky is stormy. Just as she reaches for her caramel treat, a sudden gust erupts and starts to chase her! She darts back inside, only to find the chaser is a young Nekobasu. After agreeing on a sweet truce, they quickly become friends. That night the baby Nekobasu returns and asks Mei to join him—beginning their thrilling journey through the lively forest.