A distress signal is sent from somewhere, and "Hayate", a member of the task force, is called to the scene. The building was surrounded by monsters the likes of which had never been seen before. Realising that this was no ordinary accident, Hayate rushed into the building as if drawn to it....
"When people forget 'him', we'll probably see a million devils partying in modern times..." So said a fragment of a lost ancient document...Could Natsuno Yamazakura protects the world’s peace?