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Can I kill a person as a police officer!? It's been three and a half years since I became a yakuza, and the infiltration never ends.... more>>

Kanetaka of the Higashi-Sheath Association is a gangster with a strong arm who has climbed up to assistant young head.

He landed in Okinawa at the command of the organization and killed his target, Kino.

That night, Kanetaka vomits violently.

He was an undercover investigator at the Metropolitan Police Department!

What is the purpose of Kanetaka's actions!? <<less

In his pocket is a black iron pistol. In his heart a jet black soul.... more>>

The story takes place in Edo in 1853. Nicknamed Zangetsu, Rouji is a young chief in charge of the Mitakaya wholesale shipping agency. He has a bright future ahead of him, but behind his affable mask hides an important member of the Yoshihira faction, rice brokers who control the Edo underworld. He plans to rise through the ranks of the organization, and his weapon of choice is the Colt M1851 Navy, the most advanced revolver of the time! With his skill in handling weapons and his composure, Rouji tries to make his way in the Edo underworld. <<less