1girl, arm_up, ass, bookshelf, brown_hair, dress, from_behind, grey_hair, hair_ribbon, kantai_collection, kasumi_(kancolle), kasumi_kai_ni_(kancolle), kurokoshou_(emuburemu123), library, long_hair, panties, pantyshot, pinafore_dress, ribbon, side_ponytail, sleeveless, sleeveless_dress, solo, striped, striped_panties, trefoil, underwear