Rule 34 Dev - 1girl 2boys dress formal_clothes gigi_andalusia gundam gundam_hathaway's_flash hat hathaway_noa highres kenneth_sleg mecha mikimoto_haruhiko mobile_suit multiple_boys necktie official_art painting_(medium) promotional_art robot sample_watermark science_fiction second-party_source traditional_media watermark xi_gundam|21787671906