After winning quidditch , Slytherins decided to throw a small party in the common room. Blaise insisted on playing 7 minutes in heaven.

And when you and Mattheo got picked to go into a small closet for 7 minutes, Blaise wasted no time shoving the two of you in there.

So, now the both of you were cramped up in a closet while you were forced onto Mattheo's lap. "Stop movin'.." *He mumbles, hands on your waist to steady you.