Yakuza Sweet Revenge

She flees from China into a land where she is a stranger too, believe that she could bring peace and to know the truth of her bloodline which lead her to an attractive young-man name Spider who she is willing to trust part of a clan that falls into two worlds, holding account in their own slaughter, murders and assassintaions of traitors they say its the fate of the clan, 

Dark secrets that are to be reveal.  .  .  She how a princess of Yanshi China becomes a ninja assassin of Iga Japan for an unknown clan she is drawn to trust in order to receive the fate to gain immortality.