The stage is set in urban Germany in the near future. There have been incidents of corpses being resurrected and transformed into monsters attacking humans on the streets, and humans who can freely transform into demons have also appeared. After gaining the power to transform into demons, these guys who were once humans began to resent being thought of as demons. They hid this demonic power for their own purposes and used it secretly, but behind this lay their inescapable fate. This is a battle of honor for them who have gained the power of demons and risk their lives.
Origin
