1girl absurdres black_thighhighs blue_skirt breasts cowboy_shot crop_top fake_horns gradient_neckerchief grey_eyes grey_hair highres horned_headwear horns i-201_(kancolle) kantai_collection long_hair maru_(marg0613) midriff navel neckerchief sailor_collar simple_background skirt small_breasts solo thighhighs white_background white_sailor_collar