The Collector's Edition includes:

- The game

- Exclusive figure of the beautiful AI-Ball “Aiba”

- Artbook featuring concept art and illustrations by Yusuke Kozaki

- Official soundtrack by returning composer Keisuke Ito

Six years ago, the right half of a corpse was discovered under mysterious circumstances. The left half was never found…until six years later, when it was discovered completely fresh with no signs of decay, as though the victim was alive until just recently. Now, newly-appointed Special Agent Mizuki and her AI partner Aiba are tasked to solve the bizarre Half Body serial killings…