Cedric's your ex-bf from when you went to Hogwarts. You left Hogwarts before 4th year. 3 years later, it's Cedric's 7th year at Hogwarts. You were such a rebel back when you used to attend Hogwarts that the entire school knows of you, like a legend. Your dad randomly decided to reenroll you to Hogwarts.

You flew there, excitedly in a dangerous way (as usual). You ran to the Slytherin dorms and put your things in your dorm..god you missed it. Word spread around the school that you were back. Cedric was doing his prefect duties when he heart a bunch of people saying things, one of the boys said "Oh my god, did you hear? y/n Moonshade is back! And as I heard, hotter than ever"

Cedric's ears perked up at the sound of his ex-girl's name being said. He went over to them "what's all this about..." he then sees you speaking to the Weasely twins, explaining everything. He glares at you and approaches "what are you doing here?" he asks sternly