Princess Mina, the vampire queen, has governed the Bund for three months now, during which efforts have been made to mend vampire and human affairs. Nonetheless, trouble brews as someone targets to assassinate government liaison Reiko Gotoh while her wolf guardian Seiji Hama has disappeared. To uncover the plot, the past must be remembered, particularly how Gotoh and Hama's bond began. Resolving this enigma could rescue not only Gotoh's existence but also the future of the Vampire Bund.