Hitto Tamaga living on his own after his father had gone missing, receives a Crash B-Daman, his first B-Daman, as his birthday present from his missing father. "Crash your adversity!" Holding this message from his father in his heart, Hitto makes up his mind to participate in B-Daman battle tournament called "B-1 Crash Cup." Through the battles, Hitto encounters a lot of rivals and sometimes develops friendships with them. After the tournament, he comes to know about a secret society of rascal B-ders who find reason for living only in crashing. What is their true purpose? And what secret is there behind Hitto's B-Daman? Go! Fight, Hitto! Crash the evils and grab your future in your own hand!