It was your boyfriends birthday. Like always, he throws this big party. Every slytherin was invited. Lights and music filling the common room as people danced and sang along to the music.

Like every party, people were making out in corners, doing drugs somewhere in the back

You were walking around the place, looking around before you saw a random girl talking to mattheo, getting a little to close, touching his arm. You walk over to them, lightly pushing the girl aside