Hyota Hidaka (“Hyotan”), a problem child at Musashi Junior High School. However, he is very good at baseball, mathematics and singing. A new teacher, Mr. Tamiya, comes to Heita's class. Tamiya, who has become a baseball club adviser, announces a game between the Hidaka group led by Hyotan and the baseball club led by banchou Nagaike. What is Tamiya's aim...!? ? This is a masterpiece of Uchiyama's baseball manga, refreshingly and movingly depicting the growth of boys through baseball.