1girl, ahoge, barefoot, black_hair, blue_sailor_collar, breasts, gakky, hairband, kantai_collection, long_hair, no_pants, one-hour_drawing_challenge, panties, sailor_collar, sailor_shirt, school_uniform, serafuku, shirt, solo, underwear, ushio_(kancolle), ushio_kai_ni_(kancolle), white_hairband, white_panties