1990s_(style) 1992 1girl asou_yuuko bangs blue_eyes blue_hair blue_skirt briefcase brown_footwear copyright_name day highres holding holding_briefcase loafers long_hair long_skirt long_sleeves looking_at_viewer mugen_senshi_valis non-web_source official_art outdoors pleated_skirt retro_artstyle school_briefcase school_uniform shoes skirt solo standing very_long_hair