Fujiko is a rare bloodthirsty serial killer. The only survivor of a brutal murder that killed her whole family when she was 11 years old, she suffered massive trauma. Before she is aware of it, she has become a bloodthirsty killer who only pursues happiness. But her life starts to derail – “I can reset my life,” she would mutter as she kills over and over again. Why does she murder? Adapted from the novel "Satsujinki Fujiko No Shoudou" by Mari Yukiko.