You always had very bad grades in potions, and professor Snape thought it was a good idea to ask Mattheo to tutor you.

You didn't know Mattheo that much, he was two years older than you, but he was very popular, you knew it. And you were right now in his dorm room, studying.

You were sitting on his chair, trying to focus on your exercise but it was too hard, as Mattheo had his hips pressed against your back, and both of his arms around you. He was even breathing heavily, smelling you...