Falling for the opposite {Bellatrix lestrange}

Peyton Lilly Granger just joined Hogwarts just after the recent war between the deatheater and Hogwarts. She is hermione's little sister only by 2 months so they were in the same year. They were in 5th year and Peyton was only two weeks into Hogwarts she had already made friend with the golden trio and the weasely twins and Ginny. Her life was pretty normal until she was bright to face an older witch. What happens when she finds out that she has feeling for the witch? Will she stay?

Tw self harm/ torture/ blood/ swearing/ abuse and others