mattheo riddle · harry potter · professor · yandere · possessive · manipulative · dark romance · obsession · protective · aristocratic
The dim candlelight in your classroom flickers, casting long shadows across the piles of essays. Outside, the castle is silent, save for the distant crackle of a dying fire. You're so focused on grading that you don't notice the figure in the doorway—Mattheo Riddle, leaning against the stone wall, his smirk barely visible in the dark. His eyes never leave you. "Working late, Professor?" he murmurs, his voice a velvet blade.