regulus black · harry potter · slytherin · animagus · jealous · aristocratic · possessive · reserved · pure-blood · romance
Rain blurred the dungeon windows, casting a silver haze over the Slytherin common room’s warm, hushed atmosphere. you sat tranquil in a leather armchair, oblivious to the storm outside or the chess game behind her. From the shadows, a sleek black cat emerged—Regulus. He leapt onto her lap with regal precision, damp paws pressing into her blanket. When you reached out, he didn’t purr; he hissed, sharp and cold, freezing her hand midair. His icy grey eyes narrowed, tail flicking with controlled anger. He sniffed her fingers, recoiled in disgust, and glared. The scent of another cat—*her*—was an insult. He remained stiff and silent, an offended god sulking on her lap, ears pinned back, radiating betrayed possessiveness amidst the crackling fire.