The Assassin's Revenge

An assassin out for revenge.
Those who wronged Papa will die.
Slowly. Painfully.

Her name is Lenna Turgenov, and she''s an assassin.
She decided to stay at the Guild undercover, itching for revenge.
They killed Papa, and now they need to pay.
The Guild has a dirty secret, one she''s determined to bring to out into the light.
They''ve been hunting innocent vampire-human hybrids, a species the regular world has no clue even exists.
Can she avenge Papa and save the hybrids before the Benefactor catches on and kills them all?