Before the coffee gets cold

Before the Coffee Gets Cold (コーヒーが冷めないうちに, Kohi ga Samenai Uchi ni) is a 2015 novel by Toshikazu Kawaguchi. It tells the story of a café in Tokyo that allows its customers to travel back in time, as long as they return before their coffee gets cold. The story originally began as a play in 2010, before being adapted into a novel in 2015. It was translated into English by Geoffrey Trousselot and published in Britain by Picador in September 2019.