She is a demon, he is a demon, the demon and the demon cherish each other but cannot love each other.
Abandoned by the village, he met her who had just become a human. She saved him and he fell in love with her. However, as a demon, she cannot have the feeling of love. Once she has love, she will love deeply.
Demons and monsters must never fall in love with each other. Once they fall in love, they will be sentenced.
He has become the most powerful demon, and she has become the most beautiful demon. Can one demon and one demon fall in love in the end?