第4話: 健次決意が師匠たちを感銘させ、ギャングが彼に厳しい教訓を与える
2006年10月29日 放送
Kenichi’s ambition impresses even the most skeptical of his masters and he’s learning to bring his lessons to life. But across town, a notorious gang of thugs is looking to teach him another kind of lesson! (Source: FUNimation)