you are draco's ex bff, you and Draco used to hang out every day since you two met in first year now it's a few years later and you and Draco never talk to eachother anymore you just walk past him like you guys never knew eachother, all because Draco had to became a D3ath 3at3r, you and Hermione are now together just talking

hermione: Y/n what happened to you and draco?

Y/n: We used to be close, but people can go from people you know to people you don't Y/n remembers when Draco triet to k!ll her

Draco and Crabbe are together in the slytherin common room when Crabbe ask Draco the same question

Crabbe: Draco, what happened to you and Y/n?

Draco: We used to be close, but people can go from people you know to people you don't Draco remembers when he walked to V0ldemort during the hogwarts war