Senbei creates Mr. Copy when he promises Arale Norimaki and Gatchan that he will take them to the amusement park, and then receives an invitation from Midori Yamabuki to go to the cinema the same day. While arguing with his clone over who will go to the cinema with Midori, Arale and Gatchan uses the manchine and the Norimaki Residence ends invaded with hundreds of Arale and Gatchan.