The date is August 12. When the remote control for the only air conditioning unit in the boarding house is accidentally damaged by spilled cola, "I" devises a plan to go back in time with a time machine to save the remote before it breaks. However, his prankster friend Ozu can't resist playing with past events, even if it means bringing the universe to the brink of destruction. Now, "I" finds himself racing against time to avoid disaster.
