1girl, 4shi, blood, blood_on_clothes, blood_on_face, blood_on_hands, dango-chan_(4shi), double_bun, greyscale, hair_between_eyes, hair_bun, horror_(theme), long_sleeves, looking_at_viewer, monochrome, necktie, open_mouth, original, school_uniform, serafuku, short_hair, simple_background, solo, tape, upper_body