Wolf Girl and Black Prince Vol 1

Wolf Girl and Black Prince Vol 1 by Ayuko Hatta. A Shojo manga rated Older Teen, published in English by Viz Media in 2016.

Erika lies to her friends about having a boyfriend and snaps a photo of a handsome stranger as proof. He turns out to be Kyoya Sata, a boy from her school, who agrees to keep her secret, as long as she does whatever he says. A shojo romantic comedy.