Having just retired, Sawamura Eijun returns to his childhood, carrying a wealth of baseball knowledge as if it were second nature. Starting his most scientific training ahead of time, just how far can Sawamura Eijun go? From Akagi Middle School to the Major Leagues, this story records Sawamura Eijun’s love and dedication to baseball. No matter how many times he starts over, Sawamura Eijun will always continue playing baseball.