The manga "Ace of Diamond" is a classic sports coming-of-age story set in the world of high school baseball. 【Overview】 • Protagonist: Eijun Sawamura • A pitcher who played baseball with his friends in junior high school in Nagano Prefecture. He has a unique, quirky pitch (a moving ball), but his skills and knowledge are still developing. • Story Start: • After Sawamura's team loses their final junior high school game due to his wild pitch, he is scouted by Seido High School, a prestigious baseball school in Tokyo. • By pitching to **Kazuya Miyuki, a genius catcher**, whom he meets at Seido High School, Sawamura reignites his passion for baseball and decides to attend Seido. • Struggle at Seido High School: • Upon entering the prestigious school, Sawamura meets a formidable rival in Satoru Furuya, a classmate and a power pitcher. They engage in a fierce competition for a regular position and the ace pitcher role. • Through his cheerful personality, diligent effort, and interactions with teammates, seniors, and the coach, Sawamura hones both his pitching skills and his mental fortitude, growing as a pitcher. • Themes: • The growth, setbacks, and continuous challenges of Sawamura as he strives to become the "ace." • The story realistically depicts the friendships, efforts, victories, and struggles of the young players as they aim for the Koshien (National High School Baseball Championship), battling against strong teams from across the country. In short, it's a high school baseball manga about an ordinary boy who strives to become the team's ace, working hard with his friends and rivals in a prestigious baseball club.