Following the traces of Diva, the leader of the Chiroptera, Saya and her group make their way to Russia. But awaiting their arrival is Diva's powerful protector Chiroptera, "The Chevalier." In the middle of the battle against this new threat, Saya is told a... [More...]

The monsters are winning. Saya Otonashi thought she could battle against the chiropterans, defeat the undead monsters, and avenge the life of her adoptive father. But the creatures, led by Saya's twin sister Diva, have struck a fatal blow: their attack on... [More...]

In her attempts to stop Diva's plan of turning all of mankind into Chiropterans, Saya makes her way to the United States. Despite her forced rest, the time for action draws near. Meanwhile, Diva, carrying Riku's children, makes preparations for the birth of... [More...]