Rule 34 Dev - 1boy 1girl arm_up bad_id bad_twitter_id blush_stickers bodysuit brother_and_sister chihiro_(chrnt) flip_flappers greyscale hairband headgear jitome leotard mechanical_arms monochrome short_hair siblings single_mechanical_arm toto_(flip_flappers) translation_request twins yuyu_(flip_flappers)|7634977974