Two young swordsmen, Akado Suzunosuke and Tatsumaki Rainoshin, arrive at the city of Edo in their quest to test and improve their skills. Soon they become involved in a conflict against a mysterious group of demonic criminals led by the king of hell, Taira no Masakado — a strugle to which both were destined since the moment they were born.

Sumiko's father sends her to live with her alcoholic uncle. He sells her to a circus, which is the start of a downward spiral in an unforgiving world.