2girls, 4boys, <, d, black_horns, breasts, brother_and_sister, byakuren_(mazohana), cigarette, clenched_hand, closed_mouth, crown_(mazohana), demon_boy, demon_girl, demon_horns, fang, fang_out, fangs, greyscale, horns, kewpie_(mazohaha), kokuren_(mazohana), mask, medium_breasts, mokugyo_(mazohana), monochrome, multiple_boys, multiple_girls, musuko_ga_kawaikute_shikatanai_mazoku_no_hahaoya, open_mouth, sharp_teeth, siblings, simple_background, skull, skull_mask, smile, teeth, white_background, zyugoya