blue_background commentary denjyou23 dreadnought_gundam green_eyes gundam gundam_seed gundam_seed_astray gundam_seed_x_astray highres mecha mobile_suit no_humans portrait robot science_fiction signature solo upper_body v-fin  armored_dress blonde_hair crossover dark_excalibur dark_saber dreadnought_gundam dress fate/stay_night fate_(series) gundam gundam_seed gundam_seed_astray gundam_seed_x_astray kieyza mecha_musume parody saber saber_alter sword weapon