I found this tiny 200-page book in an op-shop. Its cover and its blurb drew me in: "In a small back alley in Tokyo, there is a café 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."
It opens up the question we've all been asking ourselves at times, "What would you change if you could go back in time?" However, Cafe Funiculi Funicula has a set of rules that seem to make it "pointless" to want to travel back in time, like how you must come back before your coffee gets cold and no matter what you do, you can't change the present.
Which is the main message in this little book: "At the end of the day, whether one returns to the past or travels to the future, the present doesn't change." I finished reading this book before my coffee got cold.