Rule 34 Dev - 1girl black_gloves black_skirt blue_archive blue_necktie breasts calculator chair cup desk gloves hair_between_eyes hair_ornament halo highres jacket long_hair medium_breasts mug narushima_kanna necktie notebook open_clothes open_jacket pencil purple_eyes purple_hair shirt skirt solo thighs twintails yuuka_(blue_archive)|15537131649