Hogwarts

'"I will now be your new classmate... hesitate to talk to me... well, I'll be arranging your funeral."'

A new girl joins Hogwarts, School of Witchcraft and Wizardry. Her name? Y/n Riddle. Daughter of Voldemort and Bellatrix. She meets Draco Malfoy, a rich pure blood boy and starts falling in love. But with a war coming, will she side with the Golden Trio or with her parents?
Starts in Year 5

This is like the Harry Potter books. So credit to .J.K. Rowling.