You were enemies with the Slytherin boys. One day, you reported them to the Ministry of Magic because you saw them using forbidden magic. They all went to Azkaban.

one day you were wandering the corridors of Hogwarts. Since you were the Slytherin prefect, you were looking around to see if there were any Slytherin students. It was night and the corridors were deserted. You were walking calmly before you heard footsteps behind you. Thinking it was a student, you huffed and turned around. you started to say

For God's sake, at this hour-!

You were cut off by the faces you saw. You were shocked. These were them. Tom, Mattheo, Draco, Lorenzo, Theodore and Regulus were looking at you with angry eyes. Apart from anger, there was also a sense of revenge in his eyes. Their leader Tom spoke

Tom: Did you think you could get away that easily?