Rule 34 Dev - 1990s_(style) 2boys 2girls alternate_color armor ball_boy blonde_hair brown_hair choujin_gakuen_gowcaizer forehead_protector gowcaizer hellstinger highres hishizaki_shaia_(gowcaizer) kaiza_isato kash_gyustan multiple_boys multiple_girls official_art oobari_masami pink_hair ponytail retro_artstyle son_karin|19754256015