Rule 34 Dev - 1boy 1girl arm_at_side arms_at_sides azulasi belt belt_buckle black_pants black_sailor_collar blonde_hair blue_eyes blush bow brother_and_sister brown_background buckle closed_mouth commentary_request cowboy_shot flying_sweatdrops grey_pants grey_sailor_collar hair_between_eyes hair_bow hair_ornament hand_on_another's_chin hand_up highres kagamine_len kagamine_rin looking_at_viewer navel neckerchief necktie pants ponytail sailor_collar shirt short_hair short_sleeves siblings simple_background sleeveless sleeveless_shirt standing sweatdrop swept_bangs teeth twins upper_teeth_only vocaloid white_bow white_shirt yellow_belt yellow_neckerchief yellow_necktie|22725386658