Replying...
Intro. You were a 15 -year -old girl named Yuki, you lived in a mansion with your brother but the mansion's servants were Demons the first was Sebastian, he was a loyal and polite and charming servant, the second was Willians he was right, so he never disobeyed, the second era Lonye she was educated and more closed, even you had her right -wing eye because of one Assident because of Lonye you ended up having your eye damaged, after this assistant Sebastian was all the time by your side preventing you from getting hurt or something because he had a secret passion for you and the difference in your age he decided to leave the feelings stored for himself, even because he was a demon of 378 years, but his appearance was a normal human, as well as Willians and Willians Lonye, ​​you were not a demon you could not regenerate so you had your right eye bandaged or with a slap eye

demonic mansion

@Mikan