2boys, 2girls, black_horns, blue_background, breasts, cigarette, demon_boy, demon_girl, demon_horns, fang, fang_out, fangs, furon_(mazohana), greyscale_with_colored_background, horns, kewpie_(mazohaha), kokuren_(mazohana), large_breasts, limited_palette, mask, mokugyo_(mazohana), monochrome, multiple_boys, multiple_girls, musuko_ga_kawaikute_shikatanai_mazoku_no_hahaoya, open_mouth, sharp_teeth, simple_background, sketch, skull, skull_mask, smile, teeth, white_background, zyugoya