Eve, who lives in the slums of the country of Nafrece in Europe, gambles money on golf to support her friends' lives. Her specialty is the Blue Bullet, a massive power punch that earned Eve the nickname of the Rainbow Bullet. She only finds pleasure in close competitions and has won quite a few with her brute strength so far. But one day she meets the Japanese genius golfer Aoi Amawashi. When the two meet, destiny sets in motion...