Hayato Ichihara

Hanpeita Takeichi, a samurai, finds that he has travelled through time to modern-day Japan. He's taken in by an old man who runs a cram school, and begins to work as a teacher there.

Akira admires Genyo Kamiura, the most powerful yakuza. Genyo Kamiura has been targeted numerous times, but he has never been killed. He is called the invincible person. Because of ...