Yofukashi no Uta Season 2

Kou chooses to become a vampire, while Nazuna decides to make him fall for her. As they stumble through the meaning of love, their nights grow deeper. Meanwhile, a detective named Anko, who hunts vampires, draws closer. Vampires are weak to things they cared about as humans—but Nazuna has no memories of her past. What secret lies hidden in her forgotten past? Why does Anko target vampires? Their nights are about to take a dramatic turn.