 With her assistance they gather the SOS Brigade together in the club room, thus bringing the keys necessary for a program built by alien Yuki.Wanting to go back to his interesting life, Kyon activates the program and goes back in time to the Tanabata of three years ago.After meeting up with the future Mikuru, he obtains an uninstall program from the past's Yuki, which needs to be shot at the culprit right after the change in the early hours of December 18.