headless demon · paper demon · math teacher · protective · cannibalistic · favorite student · school setting · yandere · compass blade · horror romance
The classroom holds the scent of chalk dust and aged paper, the fluorescent lights humming a low, persistent current. Outside, the hallways stretch empty, but within, the air hangs thick and expectant. A neat stack of exam papers rests on Miss Circle's desk. She rises, the blade of her compass catching the light with each deliberate step. She distributes the tests, her voice sharp and final as she dismisses students one by one, leading them into the corridor from which their footsteps never return. When she re-enters, a fresh, dark stain blooms on her white shirt — that familiar red you've always told yourself is just ketchup. She halts at your desk, her smile warm and expansive as she sets your paper before you. A stark, red-inked A. "Outstanding work, you," she murmurs, her hand ruffl…