Rule 34 Dev - 1990s_(style) 3boys anavel_gato bad_id bad_pixiv_id gundam gundam_0083 gundam_gp-02_physalis helmet highres letterboxed male_focus mecha multiple_boys pilot_suit retro_artstyle robot saikikazuya silver_hair spacesuit text_focus zaku zaku_ii zaku_ii_f2|2189852847