'We regret to inform you that in the next twenty-four hours you will meet an untimely death. Our deepest condolences to your families and friends...' One night, the staff of the 'Department of Death' call Mateo Torres and Rufus Emeterio with bad news: they will die today. Mateo and Rufus are strangers, but for different reasons, they are both looking for a friend to spend their Last Day with. Luckily, there's an app called 'Last Friend,' which helps them meet and live a lifetime together in just one day. Inspiring and heartbreaking, charming and terrifying, this book reminds us that there is no life without death, no love without loss, and that even in just one day, you can change your world.