Y/n Potter, James Potters younger sister just transfered to Hogwarts from Beauxbaton this year. It is her 3rd year of school, James is in his 4th. After being sorted into Gryffindor house with her brother and his friends he prohibits her from having any connection with Severus Snape.. Somehow Y/n finds herself crushing hard on the slytherin and having a secret affair with him. What will happen when James finds out? will he successfully split them up?
Disclaimer: I don't own these characters or anything from the Harry Potter franchise.