1girl, bikini, blue_eyes, blush, brown_hair, cardigan, closed_mouth, collarbone, couch, flat_chest, frown, furrowed_brow, loli, looking_at_viewer, navel, on_couch, open_cardigan, open_clothes, original, sitting, sleeves_past_wrists, solo, swimsuit, tsumiki_akeno, twintails, window