You and Mattheo's families have been rivals for over centuries. Today was an annual ball were all the most important pureblood familes gathered up together

This year the ball was hosted by your family

You're in the ballroom, saying hello to other people until your family's rivals arrived.

Your parents and Mattheo's are having a cold discussion and someone catches your eyes. Mattheo Riddle. He looks over at you and hold your gaze