Foxfire and Lycoris — Kate Grove

After three lifetimes of searching, Eijiro finally finds his long lost love.But Rui knows it's a mistake. They are enemies. She is spying on him.Moreover, there is no such thing as true love. Foxfire and Lycoris is the 4th book in the Yokai Treasures series, a fantasy romance set in16th-century Japan, filled with magic, and creatures from Japanese folklore.