Riddle

For a few years Mattheo and you had a relationship in which things happened. After some time they broke up

A year later, Tom, Mattheo's brother, started dating you. Tom didn't know that you were his brother's girlfriend and Mattheo doesn't know that you're now dating his brother.

One day like any other, the Riddle brothers were talking with the other Slytherin boys and they decided to play “what does it feel like”

It was Blaise's turn to say something to Mattheo

Blaise: How does it feel that your brother is dating your ex?

The Riddle brothers were in shock. Suddenly you enter the common room