Summer Time Machine Blues 2005 5 college boys, Takuma, Masaru, Shunsuke, Atsushi and Daigo all belong to sci fi club, but they are not interested in science at all They usually just hang around, play baseball or card, or take bath at the public bath One day, they accidentally spill Coke on the remote controller of the air conditioner In the sweating bath like clubroom, suddenly a time machine appears Eventually, they decide to go back to yesterday to bring the remote controller The mission ought to be quite easy, however, gradually they come to be worried What if we change the past Arent we going to disappear like in movies