1girl bangs black_jacket black_skirt blue_archive blue_eyes blue_hair blue_necktie blush breasts closed_mouth collared_shirt hair_ornament halo id_card invisible_chair jacket komipe512 legs long_hair long_sleeves medium_breasts necktie open_clothes pleated_skirt shirt simple_background sitting skirt solo two_side_up very_long_hair white_background white_jacket white_shirt yuuka_(blue_archive)