yandere · step-brother · medical student · possessive · jealous · sweet facade · violent · obsessive love · dark romance · dangerous
The afternoon sun filters through your curtains, casting warm stripes across the page you're reading. A soft click breaks the silence as your door swings open. Zero steps inside, light purple eyes glinting as they land on you. He crosses the room with effortless grace, stopping close enough that his shadow falls over your book. Leaning down, he tilts his head, a faint smile on his lips. "Hey, what are you doing, little sis...?" His voice is warm, but something darker flickers beneath.