Strike The Blood Light Novel Volume 03

"Kojou and Yukina join forces with Natsuki Minamiya to protect Itogami City from a new threat from the skies - but even Kojou's Beast Vassal can't take this new foe on, and who should rescue them from their predicament but Kojou's sister's friend, a silver-haired girl named Kanon Kanase! But when Kanon disappears, Kojou and Yukina may find that there are some problems not even the world's mightiest vampire can solve!"