Peter's Girl

Imagine: being one of James's, Lily's, Peter's, and Remus's friends through your big brother, Sirius. Holly is the twin sister of Regulus but is sorted into Gryffindor; and, later she starts dating Peter. The night that James and Lily were murdered she believed the rumors that Sirius killed James, Lily, and Peter. The storyline begins during Harry's third year at Hogwarts.