2girls, bed, black_legwear, blush, breasts, curtains, eyeball, green_eyes, green_hair, groin, hairband, heart, looking_at_another, lying, multiple_girls, navel, nipples, no_hat, no_headwear, nude, on_back, on_bed, petite, pink_eyes, pink_hair, short_hair, siblings, sisters, sitting, small_breasts, smile, string, thighhighs, third_eye, white_legwear, window