I became the villain's step sister

"Sister, Will you promise to never ever leave me??"

"Of course,Claudius. your sister will never leave you??"

But I actually lied, Lying may be a crime. But I'm lying for his sake, I do not wish for him to know that everything is nothing more than a lie.

Eight years later...

After the divorce of my mother's marriage with the evil duke, My life went shattered in pieces. My mother soon became a fallen aristocrat and has no choice but to spend in the nights with me on an abondend inn. However she survived as the count's maid and once I became an adult, I also have to work with her.

But now, I sense a feeling that's someone around me is familiar. Once I look around my surroundings, I became shock to see him again. A silver hair,
a silver eyes man came approached me.

"Sister, Isn't it you?? You've quite change"

"Claudius?? My step little brother! I miss you too" I answered, hugging him.

"So, Sister? Will you ever pay back the promise you broke?? How about live with me??" He asked, kissing and touching suddenly my hair.

What?! on before, he hates me and now, He's loving me
But how I will escape from him?? didn't he already meet the heroine??
But why is he showing his affection on me??

*****

After her father's tragic death, A korean high school girl was suddenly murdered on the street.

But now She's reincarnated as the villain's step sister whom later gets killed by the male lead.
Despite being the villain's step sister, She has to teach the villain and spread him being loved to avoid her tragic death. But she didn't realized the villain would seriously fall inlove with his own step sister??]