Rule 34 Dev - 3girls black_hair book brown_hair camisole copyright_name cover female flat_chest hair_bobbles hair_ornament highres hood hoodie indoors loli looking_at_viewer marui_futaba marui_hitoha marui_mitsuba medium_hair mitsudomoe multiple_girls official_art plump scan small_breasts topknot trio twintails waving|3200926705