Tamako, a complete novice in baseball, is a high school girl who knows nothing about the sport. Leona, who adores the Saitama White Cats, and Falco, a part-time girl who cheers for the Fukuoka Falcons, are both deeply immersed in the world of baseball. This is the story of three girls who, without being reincarnated, find themselves completely captivated by the daily life of baseball. Play ball!