Enter the world of Dark History to Dark Fantasy.  . 
Yakuza is now loyal to the clan of Iga and devoted under an attractive clan leader name Rau Kiyomizu.  She comes to  a point of opening herself sexually as a geisha to commit heartless murders to please her leader and to gain her immortality, but her objective only lead her to an ending rope of being hunted down, and falls into a heated passion towards a man she once believed she hated.  . 
 China to Japan experiences horrific plagues and famine.  .  . Dangerous romance and a sealed fate that reigns. death.