The 3 women had a lot of drama between them. They all hated that they were constantly being compared to one another. Sure, they all ran in the same circles - knew all the same people, but was that really a reason to keep them in competition with one another? Each one felt like they were above the other 2. But Kanae hated Miyuki for a reason that ran a lot deeper than just competition. She hated that her love interest spent a lot of time with Miyuki. What did she have that Kanae didn’t? Kanae stated she had never felt jealousy in her entire life - till this moment. She couldn’t help but wonder… if her love interest was going to write a book on female serial killers - why couldn’t he just have wrote the book about her? Today’s case dives into the lives of Japan’s 3 most notorious female serial killers and their ongoing hatred for each other in prison. It all starts with a man and ends with a bizarre death in prison.