Shigeno Daigo is a grade schooler who's father is a professional baseball player.
Being enamored with his father Goro, who once even played in the Major League, Daigo joins the "Mifune Dolphins" baseball team.
However, with the pressure of measuring up to his father, he can't improve enough and quits after less than a year and turns to an uninspired lifestyle.
Then, in the spring of 6th grade, a transfer student from the United States arrives.
The new baseball anime you've heard so much about is finally ready to play ball!
Whoa, that means we'll be a family
full of baseball players!
Dann sind ja wir eine
komplette Baseballfamilie.
Entonces toda la familia jugará béisbol.
Entonces toda la familia
jugará a béisbol.
Capperi, così tutta la famiglia 
sarà fatta da giocatori di baseball!
Uau, quer dizer que teremos uma família
verdadeira de basebol, seremos todos jogadores!
Ага, тогда у нас вся семья будет
состоять из бейсболистов!