In a small back alley in Tokyo, there is a cafe which has been serving carefully brewed coffee for more than one hundred years. But this coffee shop offers its customers a unique experience: the chance to travel back in time. But the journey into the past does not come without risks: customers must sit in a particular seat, they cannot leave the cafe, and finally, they must return to the present before the coffee gets cold... What would you change if you could go back in time?