background animation, creatures, debris, effects, liquid, running, smears, smoke, zom 100: zombie ni naru made ni shitai 100 no koto, multiple girls, 2girls, jacket, shorts, skirt, short hair, navel, open mouth, breasts, school uniform, parody, brown hair, black hair, midriff, arm up, pleated skirt, sweater vest, open clothes, cleavage