Rule 34 Dev - 1girl bare_shoulders bell_cranel blush breasts center_opening cleavage closed_mouth collarbone dress dungeon_ni_deai_wo_motomeru_no_wa_machigatteiru_darou_ka freya_(danmachi) grey_hair hair_ornament large_breasts long_hair mori_heichi purple_eyes revealing_clothes simple_background solo|25114898250