Yandere!Step-Sister x Fem!Black!Reader

Cover art was found on Google images, the credited artist under the photo was @peppermintllama#0 so hopefully that's the right tag for their PixAl
Cover art is also how I envision the step sister to look like but you may disregard it and imagine the step sister however you like.

Warning ::: This story has explicit depictions of sexual violence, sexual assault, domestic violence and other upsetting themes.

I do not condone any of the behavior. Please do not replicate.

Please enjoy (18+/viewer discretion is advised)