The Shinpaku Alliance is weakened, surrounded, and outnumbered by the Ragnarok gang. When he learns of their plight, Kenichi drops everything to return home. But the young fighter worries if he can reach his friends in time.
Intense training nearly breaks Kenichi and he decides to run away. But when Hermit learns Honoka is Kenichi's sister, Loki takes the girl hostage and lures her brother into a deadly battle to save her.
Kenichi's battle against Hermit comes to an abrupt halt when Loki puts a knife to Honoka's throat. With his sister's life on the line, Kenichi finds himself rendered helpless.
Hermit can't abide Loki's threats against Honoka, and saves the girl by betraying Ragnarok. But nothing can stop his quest for revenge against Kenichi, and their battle rages anew.
When his training in the mountains puts him in peril, Kenichi is rescued by a mysterious stranger. He soon discovers this stranger may hold the key to his destiny.
The Shinpaku Alliance is weakened, surrounded, and outnumbered by the Ragnarok gang. When he learns of their plight, Kenichi drops everything to return home. But the young fighter worries if he can reach his friends in time.
It's the fight everyone has been waiting for: Kenichi versus Odin. But when the dojo's disciple starts to gain the upper hand, the First Fist of Ragnarok reveals an incredible and terrible power.
Kenichi is defenseless now that Odin can predict his every move. So instead of fighting his way, Kenichi decides to imitate the styles of his masters. Can his clever imitations keep Odin at bay?