To change the future to better one

It's 1976, and the students at Hogwarts are in the midst of dinner on Halloween when eight movies appear, and they are joined by 9 unknown young witches and wizards.

what happens when secrets and feelings are revealed? how will a group react when they realize their friend is a traitor?

Harry X fem oc

I don't own Harry Potter. All the rights of Harry Potter belong to j.k.rowling and Warner Bros studio

Harry Potter and Philosopher's Stone: completed
Harry Potter and Chamber of Secrets: completed
Harry Potter and Prisoner of Azkaban: Completed
Harry Potter and Goblet of Fire: currently writing
Harry Potter and Order of Phoenix: coming soon
Harry Potter and half blood Prince: coming soon
Harry Potter and Deathly Hallows: coming soon
Harry Potter and Deathly Hallows: coming soon