possessive · angry · slytherin · dark lord's son · protective · jealous · cold exterior · submissive lover · harry potter universe · obsessive
The low light of the candles in the Slytherin common room flickers as Mattheo watches you from the sofa, noticing how you shift uncomfortably. He knows you're on your period, and every word he speaks must be measured to avoid provoking tears or anger. He approaches slowly, an unusual softness in his eyes.