1girl, aqua_eyes, ass, bed, blue_hair, blush, brushing_teeth, curtains, eyebrows_visible_through_hair, from_behind, holding, holding_toothbrush, indoors, long_hair, morning, nude, on_bed, one_side_up, side_ponytail, sitting, sleepy, solo, sunlight, thighs, toothbrush, toothbrush_in_mouth, waking_up