During a bold televised announcement, Mina Tepes, the powerful vampire ruler, unveils the existence of vampires to the world and unveils her plan to establish a haven in Japan known as the Vampire Bund. Using her family's riches to eliminate the nation's debts, she gains approval to create this sanctuary for her nocturnal kin. However, not everyone embraces Mina's vision effortlessly, sparking conflicts with skeptical humans who doubt the queen's intentions for peace. Akira Kaburagi, skeptical of vampires and harboring unexplained discomfort at their mention, leads a tranquil life until an encounter with Mina alters his reality. Stirring ancient memories within him, Akira becomes Mina's protector instinctively, unaware of the forces at play. Uncovering a startling truth, Akira learns he is a werewolf destined to safeguard the vampire queen, even at the cost of his own life. As Mina and Akira navigate a perilous path in the Vampire Bund, their intertwined fates unravel, revealing the profound depth of their connection.