Ace of Diamond: The Demon King of Koshien!

Seido High School is Tokyo's top baseball powerhouse. Its faith is in the "Mighty Seido," and its ultimate goal is to rule Koshien. But the old order is crumbling, and then a first-year newcomer named Onizuka Hayato arrives.

He hasn't come to fit in at Seido. He's come to rebuild it. Coach Kataoka defies all opposition to recruit him, while Miyuki Kazuya becomes the only catcher able to handle his magic pitches. Tanba Koichiro's ace position is shaken, the grassroots talent in Dormitory No. 5 is unleashed, and his arrival transforms the entire structure of Seido's baseball team.

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.