Quietus: Belladonna

An assassin named Quietus, or Eureka as her real name, is up for looking for who's responsible for her mom's death. Then she meets this overly gorgeous guy which by far she thinks is illegal, by just an accident. Things take a weird turn between them as fate intertwines them both through certain circumstances. Until one day, a man she'd known for quite a bit returned back to her life to reveal to her a thing that could be the key to her past and her future. And...