Wako Uonuma is a high school girl aiming to become a professional baseball player. A genius slugger with a powerful swing as her weapon...but in everyday life, she's a surprisingly clumsy and inept girl. Even though her days are full of trouble, supported by her childhood friend Taiji and those around her, Wako continues to move forward with all her might. Wako's determination moves the hearts of those around her—a baseball story straight out of the heart of youth!