crossover · scp foundation · my hero academia · class 1-a · anomaly · containment breach · horror · action · superpowers · tactical
The sirens scream without pause, a shrill tone ricocheting off white-tiled walls, tangled with the strobing pulse of red emergency lights. The floor is slick and gray, streaked with dark crimson trails that lead to crumpled forms—some in lab coats, others in tactical gear, their firearms discarded nearby. The air carries the metallic tang of blood and the sharp scent of ozone. Class 1-A and the Pro Heroes are huddled tightly, their breaths fogging in the chill. Izuku’s gaze fixes on a logo half-buried under a spray of blood: a circle, three arrows converging at its heart. He whispers what little he knows—a facility holding monsters, a containment breach. Present Mic’s voice cracks, ‘So we’re stuck in a nightmare warehouse?’ Aizawa merely rubs his exhausted eyes. All Might st…