1girl 3boys barefoot breasts brother_and_sister cleavage clenched_teeth cracked_skin daki_(kimetsu_no_yaiba) demon_boy drum extra_arms extra_mouth facial_mark fighting_stance fingernails floating floating_hair geta grin gyokko_(kimetsu_no_yaiba) gyuutarou_(kimetsu_no_yaiba) hair_pulled_back hand_on_hip hand_up holding holding_weapon horns in_container instrument invisible_chair kimetsu_no_yaiba looking_at_viewer looking_up m2_(aonorirenkon) monochrome multiple_boys oni oni_horns open_mouth outside_border pants portrait profile revealing_clothes scythe sharp_fingernails sharp_teeth siblings sitting smile teeth thighhighs third_eye tongue tongue_out topknot traditional_media vase weapon zohakuten_(kimetsu_no_yaiba)