Kitty cat's Questions (2)

Its set in a world with demons and humans, the mc is a human and the ml is a demon. The demons look completely human, except they have horns on there head. The bigger the horn the more alpha the demon. When the ml gets aroused his horns grow out.

I think it's a fantasy romance manwha, anyways the girl has a scare on her face and her blood can heal you. The ml has black long hair and can fight and it's historical