Unbeknownst to the general public, vampires are rampant in Tokyo. To control and contain them, the government has developed a program to track and treat rogue vamps who decide to prey on the public. But what happens when vampire and man come together in harmony and love? Will the public accept this, or will they try to tear such partnerships apart?
Vol 10: Anzai travels to Obihiro to learn the circumstances surrounding his birth as part of the Hybrid Plan, and the reason why Midori chose Tamaki for a partner. Tsukasa is also at ONL to read academic journals on devils, and both she and Anzai are notified that the "no contact" order is rescinded. As the two decide to take the next step within the clinical confines of the laboratory, Anzai begins to understand what drives him to chase after devils...