Rule 34 Dev - 1990s_(style) 1girl armor asou_yuuko bikini_armor blue_eyes blue_hair concept_art game long_hair matching_hair/eyes mugen_senshi_valis navel nec official_art pc_engine retro_artstyle school_uniform serafuku simple_background skirt solo telenet_japan valis very_long_hair white_background|4323432672