1boy, 2girls, :d, :o, =_=, ^_^, brother_and_sister, closed_eyes, comic, flying_sweatdrops, frilled_panties, frills, greyscale, hair_ribbon, hairband, holding, holding_clothes, holding_panties, holding_underwear, hot, monochrome, multiple_girls, open_mouth, panties, photo_(object), ribbon, siblings, smile, sweat, underwear, undressing