Hikari Okami: Kitsune Series

Hikari is a Kitsune, member of the mighty demon fox race. He is also a royal, born heir to the powerful nine tail demon fox. His birthright is to rule his people, but instead, Hikari decides to escape his noble burden of leadership and enter the world of humans. There, he discovers excitement but also danger he never could have imagined.
He is soon betrayed and captured with no means of escape. His hope is restored by the appearance of a reincarnated priestess. Miyako is a human who stumbled upon Hikari, not knowing of her own past incarnation. They form a close bond, but Hikari still isn't sure if Miyako is enemy or friend, destiny or downfall.