Hazumu, a reserved boy with a love for gardening and nature, musters his courage to confess his feelings to Yasuna, only to face rejection. Heartbroken, he retreats to Mt. Kashimayama, where a chance encounter with a shooting star leads to a surprising transformation. As a girl now, Hazumu navigates the complexities of her new identity, reentering social circles and relationships to discover a world reshaped by this extraordinary change.