Kōji Sekiyama

The story of a Ronin (i.e. a masterless samurai) who wanders the countryside of Japan with his small child, having various adventures.

Ogami is hired to kill a tattooed female assassin. Gunbei Yagyu, an enemy samurai, happens upon Ogami's son, and sees his chance for revenge.

Three thieves escape from a heist, one of them killing the other two. He is sheltered by a prostitute and sought after by the police, but only after ten years his true motivation unravels.

A luxury hotel extorted by yakusa assigns an ordinary accountant to handle the situation. The chaotic results cause the hotel to rethink its plan.

An undercover cop befriends a yakuza underling who through his contacts helps him infiltrate two rival Yakuza gangs. He pits the two rival gangs against each other in hopes that they will cross each other out.

A shogunate secret agent is sent to investigate a secret deal with a Dutch warship involving repeating rifles to be used in an uprising against the Shogun, but finds there's more going on than previously suspected.

The story of men devoted to the Yakuza lifestyle and their struggles during a time of fading Yakuza power.