1girl arm_ribbon black_hair blue_ribbon blush bow breasts brushing_teeth chibi cleavage_cutout closed_eyes covered_navel cup dress dungeon_ni_deai_wo_motomeru_no_wa_machigatteiru_darou_ka grin hair_ornament hair_ribbon hestia_(danmachi) large_breasts long_hair open_mouth osuton rei_no_himo ribbon short_dress simple_background smile solo toothbrush twintails white_dress