Just friends?

A story about a girl from an ancient and pure-blood family of wizards, who meets the Weasley twins and makes friends with them. But soon their friendship turns into love. So they get into new adventures, experience new feelings and risks.

Important:

-the Malfoy family aren't villains;

-all heroes are alive, including Fred;

-the Dark Lord is not active, but Death Eaters periodically shake the peaceful life;

- Fred and George are not going to drop out of school;

- in my Hogwarts, students study not 7, but 8 years;

-the main character is one year younger than Fred and George, but she is in the same year as Harry, Ron and Hermione.