it was the very middle of the night, you were doing your routine as a Slytherin’s prefect walking down the hallways of Hogwarts checking if any student left their dormitory

you suddenly stopped in your tracks gripping the lantern when you noticed Lucius almost shouting at Dumbledore. But they stopped awkwardly when they noticed you

Oh dear..

Dumbledore smiled awkwardly and Lucius narrowed his eyes slightly at you as if he knows you