Ryuko was raised by her father, a gambler named Senzo Yano in Kumamoto, Kyushu, after her mother died when she was little. When she turned 18 years old, her father was attacked and killed by a stranger in alley. Ryuko then dissolves her yakuza family, and, carrying the wallet left by the killer, she sets out on a journey to avenge her father's death. Five years later, she wanders the nation, known only as! Red Peony Oryu who has a red peony tattooed on her shoulder and has the defiance and courage of a man. She meets Katagiri - a loner gambler, Kumatora - boss of a family in Shikoku, and Otaka - female boss of the Doman Family in Osaka. With their help, she finally catches up with the man who murdered her father.
The lord of the Oshi fief is killed by his trespassing neighbour, the cruel and despotic Nariatsu, son of the former Shogun. After an investigation, the Oshi clan is blamed for what happened and sentenced to be disbanded. Eleven of the best samurai of the clan refuse the sentence and are willing to give their life for justice.
Kiba Okaminosuke finds himself entangled with a group of prisoners being transported to their executions, one of whom oddly looks exactly like his dead father. There are crooked gold miners, a beautiful girl who is unfortunately a complete lunatic and a dojo master who is obsessed with killing Kiba just to prove that his school's sword style is the best.
Organized thieves battle against the Shogun’s ruthless ruling in attempt to get back their land.
A sadistic Daimyo (feudal lord) rapes a woman and murders both her and her husband, but even when one of his own vassals commits suicide to bring attention to the crime, the matter is quickly hushed up. Not only will there be no punishment, but because the Daimyo is the Shogun's younger brother, he will soon be appointed to a high political position from which he could wreak even more havoc. Convinced that the fate of the Shogunate hangs in the balance, a plot is hatched to assassinate the Daimyo. The two most brilliant strategic minds of their generation find themselves pitted against each other; one is tasked to defend a man he despises, and has a small army at his disposal. The other is given a suicide mission, and has 12 brave men. They are the 13 Assassins.
Magistrate Kinshiro fights with a group of villains plotting the assassination of the Shogun in Edo.
Tsunokichi and Ken face off against a rival yakuza in Kyushu.
Kunisada Chuji is a common folk hero who looks out for poor people in the country who are at the mercy of corrupt officials. Intent on fulfilling a dying wish from one of his henchmen, Asataro, to find a decent home for his young nephew, Chuji descends from his hide-out in the mountain, and heads to the city in spite of numerous dangers that await him there.
