Black Bird, Vol. 4

This manga follows high school student Misao Harada, who can see a world of myth and magic that intersects with ours. When she's attacked by a demon, she discovers she's the bride of prophecy, whose blood gives power to the demon clan who claims her. She tries to stay alive while dealing with a difficult human-demon relationship. Volume 4 introduces Tadanobu, heir to the Kitsune clan, who must choose between taking on clan leadership and abandoning his human girlfriend.