reiju

guys can you help me I'm looking for this manga but forgot the title.. the story goes like this... it about the demon duke that found a baby outside their gate massion the girls name is haru.. the girl like the demon duke ang keep confessing her love but got rejected because the duke is like thousands of years old and he want haru to live a normal life.. then the duke decided to move back in the demon world and haru stay in human world.. some years past and the come back and the human girl grow up to be a lady but the demon stays the same and they got married and had a two twin children but haru became old and die..