1boy, 2girls, bare_shoulders, belt_pouch, black_choker, black_eyes, black_gloves, blood, blood_on_breasts, blood_on_clothes, blood_on_face, blood_on_hands, blood_on_wall, blood_splatter, bloody_footprints, broken_window, brown_hair, choker, collarbone, fingerless_gloves, footprints, glass_shards, gloves, gun, hallway, handgun, hashimoto_kokai, holding, holding_gun, holding_weapon, indoors, long_hair, looking_at_viewer, multiple_girls, o-ring, pouch, revolver, school, school_uniform, shards, single_fingerless_glove, single_glove, smoke, smoking_gun, weapon, window, zipper, zipper_pull_tab