A vampire suspense story revolving around the mystery of the illegal drug "Amrita." Five years ago, after the existence of vampires was acknowledged by the world, humans began to share their "daily lives" with vampires, who had previously lived as "outcasts." Forced "love and peace." And so an "extraordinary" life was born. In the ever-changing area of Tokyo, vampires are forgiven in six designated wards. Minato, Chiyoda, Toshima, Shinjuku, Shibuya, and Setagaya - a story of his and her "boundaries" unfolds in the city, where redevelopment is underway, with Shimokitazawa at its center.