What if one of the Stranger Things characters had a twin sister with powers like Eleven but no one knew of her existence until after her successful escape. This takes place after Stranger Things season 4 vol.2 so do not read unless you've already finished watching it.
modern day au. mary has to wed due to her having a title and her mother is pushing her to marry francis but they have been friends since they were kids so mary isn’t sure if she wants to warning: this will be really sad in the end