After finishing middle school, Tonbo Ooi departs from the secluded Tokara island and heads to Kumamoto to further develop her golf game. With guidance from her mentor Kazuyoshi Igarashi, she meets coach Hajime Udou as a potential trainee. At first, Tonbo struggles to demonstrate her abilities because of her unconventional technique and lack of familiarity with different golf clubs. Nevertheless, during her debut tournament, she astonishes everyone with her remarkable skills.
Tonbo's showing grabs the attention of Hajime and others, resulting in her entry into the Kyushu Women's Championship. There, she goes up against both old rivals and fresh opponents, fully intent on carving out a place for herself in the professional golf world.
