This short story is not a shoujo but a shounen even so It was a cool story with cute parts!
100% supernatural, 100% romance
The story is about A God Eater that consumes the power of impure gods and gains their strength. Koutaro (the boy) is one of these people. Because of the discrimination and danger that he faces he doesn’t have anyone close to him besides his familiar spirit Hinaki. But all that changes when he meets the cheerful Miko, Amane, who is determined to be his traveling companion.