The black heart of Patient Number 5 was bitten into pieces by other patients. At the last moment before his soul was vanquished, the memory that was locked deep inside his heart was revealed.
"It was not my fault for killing my wife, it was that monster's fault and it was the hospital director who planted the monster inside my body so at the end of the day, it was all the hospital director's fault… I know how ironic all these are, me, the person whose hands are covered with blood and the soul is branded by sin, the first time I committed a murder was to pretend to be a monster. At the time, I still had no idea once certain things are put into motion, they will be impossible to stop anymore…