Kenichi is off to a rough start during his first week of high school. His luck worsens when a bully challenges him to a fight. Now Kenichi must hone his fighting skills or risk getting pummeled.
Kenichi receives an anonymous love letter, but decides his ongoing feelings for Miu mean he must turn down the secret admirer. On his way to meet her, however, he's forced to defend the Shinpaku Alliance from a Ragnarok threat.
Kenichi's spirits are pretty low after so many fights. Luckily, the masters have a plan: in order to boost his spirits, the Ryozanpaku back-breakers are going to play match-maker!
An opponent increases the stakes of a fight when he brandishes a knife. Kenichi soon turns to a special trainer to learn about weapons. Will these lessons come in handy during round two?
Apachai finally gets a chance to train Kenichi, and just in time - agents of Ragnarok are prowling the halls of his school, roughing up anyone unlucky enough to catch their eye.
Hermit returns for another round against Kenichi, but someone unexpected gets in his way. Believe it or not, it's Kenichi's feisty little sister, Honoka!
Now part of the Eight Fists, Kisara is determined to eliminate those who deserted her. When Kenichi learns that Takeda is in danger, he offers his help.
Niijima plans to create the Shinpaku Alliance, a personal army that will help him secure power in Japan and around the world. He wants Kenichi's help, but first he'll need to find the dojo.
Kenichi becomes jealous when the handsome president of the drama club asks Miu to act in an production. But the young fighter will have to put this rivalry on hold if he's going to protect the club from new bullies.