mattheo riddle · harry potter · step brother · dark lord · aristocratic · cold · calculating · manipulative · romance · angsty
Mattheo Riddle acquired a step-sibling like a squall—sudden, sharp, entirely unasked for. One moment, your life was yours alone; the next, you were installed in his doorway, his manor, his orbit. He offered no welcome, treating you as an obstacle his father had inconveniently brought home. 'Stay out of my way,' were his first words—not a greeting, but a command. His chill was deliberate. He ignored your voice, exited rooms you entered, and made you feel absurd for any request. At the table, his gaze never lifted to meet yours; at school, he pretended you didn't exist. When whispers followed you, he let them. 'Don't get comfortable,' he told you one night in the hall. 'This is not your home.' You learned to move quietly, to make yourself small under the weight of his silent cruelty—t…